Annotations: 9FRL

Cryo-EM structure of Saccharolobus solfataricus 30S initiation complex bound to SD mRNA with h44 in up position

External Resource: Annotation

Domain Annotation: ECOD Classification
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C [auth B]	Beta-Casp	e9frlB1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: Beta-Casp	ECOD (v295)
D [auth C]	Beta-Casp	e9frlC1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: Beta-Casp	ECOD (v295)
E [auth D]	Beta-Casp	e9frlD1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: Beta-Casp	ECOD (v295)
G	Beta-Casp	e9frlG1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: Beta-Casp	ECOD (v295)
H	Beta-Casp	e9frlH1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: Beta-Casp	ECOD (v295)
I	Beta-Casp	e9frlI1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: Beta-Casp	ECOD (v295)
J	Beta-Casp	e9frlJ1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: Beta-Casp	ECOD (v295)
L	Beta-Casp	e9frlL1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: Beta-Casp	ECOD (v295)
M	Beta-Casp	e9frlM1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: Beta-Casp	ECOD (v295)
N	Beta-Casp	e9frlN1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: Beta-Casp	ECOD (v295)
O	Beta-Casp	e9frlO1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: Beta-Casp	ECOD (v295)
P [auth Q]	Beta-Casp	e9frlQ1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: Beta-Casp	ECOD (v295)
Q [auth S]	Beta-Casp	e9frlS1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: Beta-Casp	ECOD (v295)
S [auth U]	Beta-Casp	e9frlU1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: Beta-Casp	ECOD (v295)
T [auth V]	Beta-Casp	e9frlV1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: Beta-Casp	ECOD (v295)
U [auth W]	Beta-Casp	e9frlW1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: Beta-Casp	ECOD (v295)
V [auth X]	Beta-Casp	e9frlX1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: Beta-Casp	ECOD (v295)
CA [auth P]	Beta-Casp	e9frlP1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: Beta-Casp	ECOD (v295)
GA [auth c]	Beta-Casp	e9frlc1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: Beta-Casp	ECOD (v295)
HA [auth E]	Beta-Casp	e9frlE1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: Beta-Casp	ECOD (v295)
F	Beta-Casp	e9frlF1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: Beta-Casp	ECOD (v295)
FA [auth d]	Beta-Casp	e9frld1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: Beta-Casp	ECOD (v295)
EA [auth Z]	Beta-Casp	e9frlZ1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: Beta-Casp	ECOD (v295)
DA [auth R]	Beta-Casp	e9frlR1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: Beta-Casp	ECOD (v295)
Z [auth e]	Beta-Casp	e9frle1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: Beta-Casp	ECOD (v295)
X [auth 3]	Beta-Casp	e9frl31	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: Beta-Casp	ECOD (v295)
W [auth Y]	Beta-Casp	e9frlY1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: Beta-Casp	ECOD (v295)
R [auth T]	Beta-Casp	e9frlT1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: Beta-Casp	ECOD (v295)
K	Beta-Casp	e9frlK1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: Beta-Casp	ECOD (v295)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth 2]	rRNA 16S	-	-	-
B [auth A]	Small ribosomal subunit protein eS1	structural molecule activity structural constituent of ribosome	biosynthetic process metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol protein-containing complex ribonucleoprotein complex intracellular organelle organelle membraneless organelle intracellular membraneless organelle ribosome
C [auth B]	Small ribosomal subunit protein uS2	structural molecule activity structural constituent of ribosome RNA binding binding rRNA binding nucleic acid binding	ribonucleoprotein complex biogenesis organelle assembly protein-containing complex organization membraneless organelle assembly ribosomal small subunit assembly protein-RNA complex assembly ribosomal small subunit biogenesis cellular component organization cellular component biogenesis ribosome biogenesis organelle organization protein-RNA complex organization cellular component assembly protein-containing complex assembly ribonucleoprotein complex biogenesis organelle assembly protein-containing complex organization membraneless organelle assembly ribosomal small subunit assembly protein-RNA complex assembly ribosomal small subunit biogenesis cellular component organization cellular component biogenesis ribosome biogenesis organelle organization protein-RNA complex organization cellular component assembly protein-containing complex assembly cellular process cellular component organization or biogenesis ribosome assembly biosynthetic process metabolic process primary metabolic process protein metabolic process macromolecule metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process	cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosol
D [auth C]	Small zinc finger protein HVO-2753-like zinc-binding pocket domain-containing protein	cation binding ion binding binding metal ion binding small molecule binding RNA binding rRNA binding nucleic acid binding	-	protein-containing complex ribonucleoprotein complex cellular anatomical structure intracellular anatomical structure cytoplasm intracellular organelle organelle membraneless organelle intracellular membraneless organelle ribosome
E [auth D]	Small ribosomal subunit protein uS4	RNA binding binding rRNA binding nucleic acid binding structural molecule activity structural constituent of ribosome	cellular component biogenesis ribosome biogenesis ribonucleoprotein complex biogenesis cellular process cellular component organization or biogenesis ribosomal small subunit biogenesis biosynthetic process metabolic process primary metabolic process protein metabolic process macromolecule metabolic process translation gene expression protein biosynthetic process cellular component biogenesis ribosome biogenesis ribonucleoprotein complex biogenesis cellular process cellular component organization or biogenesis ribosomal small subunit biogenesis biosynthetic process metabolic process primary metabolic process protein metabolic process macromolecule metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process	protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle ribosomal subunit intracellular organelle cellular anatomical structure ribonucleoprotein complex organelle membraneless organelle ribosome cytoplasm
G	Small ribosomal subunit protein eS6	structural molecule activity structural constituent of ribosome RNA binding binding rRNA binding nucleic acid binding	biosynthetic process metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process	protein-containing complex ribonucleoprotein complex cellular anatomical structure intracellular anatomical structure cytoplasm intracellular organelle organelle membraneless organelle intracellular membraneless organelle ribosome
H	Small ribosomal subunit protein uS7	RNA binding binding nucleic acid binding mRNA binding structural molecule activity structural constituent of ribosome rRNA binding	biosynthetic process metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process	cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosol
I	Small ribosomal subunit protein uS8	structural molecule activity structural constituent of ribosome RNA binding binding rRNA binding nucleic acid binding	biosynthetic process metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process	cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosol
J	Small ribosomal subunit protein eS8	structural molecule activity structural constituent of ribosome RNA binding binding rRNA binding nucleic acid binding	ribonucleoprotein complex biogenesis RNA metabolic process rRNA processing maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) cellular component biogenesis nucleobase-containing compound metabolic process RNA biosynthetic process ribosome biogenesis nucleic acid biosynthetic process maturation of SSU-rRNA cellular component organization or biogenesis RNA processing rRNA metabolic process primary metabolic process ribonucleoprotein complex biogenesis RNA metabolic process rRNA processing maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) cellular component biogenesis nucleobase-containing compound metabolic process RNA biosynthetic process ribosome biogenesis nucleic acid biosynthetic process maturation of SSU-rRNA cellular component organization or biogenesis RNA processing rRNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process ribosomal small subunit biogenesis nucleic acid metabolic process biosynthetic process cellular process metabolic process macromolecule metabolic process protein metabolic process translation protein biosynthetic process	cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosol
L	Small ribosomal subunit protein uS10	RNA binding binding tRNA binding nucleic acid binding structural molecule activity structural constituent of ribosome rRNA binding	biosynthetic process metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process	cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosol
M	Small ribosomal subunit protein uS11	structural molecule activity structural constituent of ribosome RNA binding binding rRNA binding nucleic acid binding	biosynthetic process metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process	cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosol
N	Small ribosomal subunit protein uS12	structural molecule activity structural constituent of ribosome RNA binding binding rRNA binding nucleic acid binding	biosynthetic process metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process	cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosol
O	Small ribosomal subunit protein uS13	RNA binding binding tRNA binding nucleic acid binding structural molecule activity structural constituent of ribosome rRNA binding	biosynthetic process metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol protein-containing complex small ribosomal subunit intracellular membraneless organelle ribosomal subunit intracellular organelle ribonucleoprotein complex organelle membraneless organelle ribosome
P [auth Q]	Small ribosomal subunit protein uS15	RNA binding small ribosomal subunit rRNA binding binding rRNA binding nucleic acid binding structural molecule activity structural constituent of ribosome	biosynthetic process metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process	cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosol
Q [auth S]	Small ribosomal subunit protein eS17	structural molecule activity structural constituent of ribosome RNA binding binding rRNA binding nucleic acid binding	biosynthetic process metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol protein-containing complex small ribosomal subunit intracellular membraneless organelle ribosomal subunit intracellular organelle ribonucleoprotein complex organelle membraneless organelle ribosome
S [auth U]	Small ribosomal subunit protein eS19	RNA binding binding nucleic acid binding structural molecule activity structural constituent of ribosome rRNA binding	ribonucleoprotein complex biogenesis organelle assembly protein-containing complex organization membraneless organelle assembly ribosomal small subunit assembly protein-RNA complex assembly ribosomal small subunit biogenesis cellular component organization cellular component biogenesis ribosome biogenesis organelle organization protein-RNA complex organization cellular component assembly protein-containing complex assembly ribonucleoprotein complex biogenesis organelle assembly protein-containing complex organization membraneless organelle assembly ribosomal small subunit assembly protein-RNA complex assembly ribosomal small subunit biogenesis cellular component organization cellular component biogenesis ribosome biogenesis organelle organization protein-RNA complex organization cellular component assembly protein-containing complex assembly cellular process cellular component organization or biogenesis ribosome assembly biosynthetic process metabolic process primary metabolic process protein metabolic process macromolecule metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process	cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosol
T [auth V]	Small ribosomal subunit protein eS24	structural molecule activity structural constituent of ribosome RNA binding binding rRNA binding nucleic acid binding	primary metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process biosynthetic process cytoplasmic translation metabolic process cellular process protein metabolic process macromolecule metabolic process	protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle ribosomal subunit intracellular organelle cellular anatomical structure ribonucleoprotein complex organelle membraneless organelle ribosome cytoplasm
U [auth W]	Small ribosomal subunit protein eS27	cation binding transition metal ion binding zinc ion binding ion binding binding metal ion binding small molecule binding RNA binding nucleic acid binding structural molecule activity structural constituent of ribosome	ribonucleoprotein complex biogenesis organelle assembly protein-containing complex organization membraneless organelle assembly ribosomal small subunit assembly protein-RNA complex assembly ribosomal small subunit biogenesis cellular component organization cellular component biogenesis ribosome biogenesis organelle organization protein-RNA complex organization cellular component assembly protein-containing complex assembly ribonucleoprotein complex biogenesis organelle assembly protein-containing complex organization membraneless organelle assembly ribosomal small subunit assembly protein-RNA complex assembly ribosomal small subunit biogenesis cellular component organization cellular component biogenesis ribosome biogenesis organelle organization protein-RNA complex organization cellular component assembly protein-containing complex assembly cellular process cellular component organization or biogenesis ribosome assembly biosynthetic process metabolic process primary metabolic process protein metabolic process macromolecule metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process	cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosol
V [auth X]	Small ribosomal subunit protein eS28	structural molecule activity structural constituent of ribosome RNA binding binding rRNA binding nucleic acid binding	ribonucleoprotein complex biogenesis organelle assembly protein-containing complex organization membraneless organelle assembly ribosomal small subunit assembly protein-RNA complex assembly ribosomal small subunit biogenesis cellular component organization cellular component biogenesis ribosome biogenesis organelle organization protein-RNA complex organization cellular component assembly protein-containing complex assembly ribonucleoprotein complex biogenesis organelle assembly protein-containing complex organization membraneless organelle assembly ribosomal small subunit assembly protein-RNA complex assembly ribosomal small subunit biogenesis cellular component organization cellular component biogenesis ribosome biogenesis organelle organization protein-RNA complex organization cellular component assembly protein-containing complex assembly cellular process cellular component organization or biogenesis ribosome assembly RNA metabolic process primary metabolic process rRNA processing gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process biosynthetic process maturation of SSU-rRNA metabolic process macromolecule metabolic process RNA processing rRNA metabolic process protein metabolic process translation protein biosynthetic process	cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosol
AA [auth 4]	tRNA Met initiator	-	-	-
BA [auth 5]	mRNA	-	-	-
CA [auth P]	Small ribosomal subunit protein uS14	cation binding transition metal ion binding zinc ion binding ion binding binding metal ion binding small molecule binding structural molecule activity structural constituent of ribosome RNA binding rRNA binding nucleic acid binding	primary metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process biosynthetic process cytoplasmic translation metabolic process cellular process protein metabolic process macromolecule metabolic process	cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosol
GA [auth c]	Small ribosomal subunit protein eS25	structural molecule activity structural constituent of ribosome	-	cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosol
HA [auth E]	Small ribosomal subunit protein eS4	RNA binding binding rRNA binding nucleic acid binding structural molecule activity structural constituent of ribosome	biosynthetic process metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process	cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosol
F	Small ribosomal subunit protein uS5	RNA binding binding rRNA binding nucleic acid binding structural molecule activity structural constituent of ribosome cation binding ion binding metal ion binding small molecule binding	biosynthetic process metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process	cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosol
FA [auth d]	aS33	-	-	-
EA [auth Z]	Small ribosomal subunit protein uS3	RNA binding binding rRNA binding nucleic acid binding structural molecule activity structural constituent of ribosome	biosynthetic process metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process	cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosol
DA [auth R]	Small ribosomal subunit protein uS17	structural molecule activity structural constituent of ribosome cation binding ion binding binding metal ion binding small molecule binding RNA binding rRNA binding nucleic acid binding	biosynthetic process metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process	cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosol
Z [auth e]	LSU ribosomal protein S30E (Rps30E)	structural molecule activity structural constituent of ribosome RNA binding binding rRNA binding nucleic acid binding	biosynthetic process metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process	protein-containing complex ribonucleoprotein complex cellular anatomical structure intracellular anatomical structure cytoplasm intracellular organelle organelle membraneless organelle intracellular membraneless organelle ribosome
Y [auth a]	aS34	cation binding ion binding binding metal ion binding small molecule binding RNA binding rRNA binding nucleic acid binding	-	protein-containing complex ribonucleoprotein complex cellular anatomical structure intracellular anatomical structure cytoplasm intracellular organelle organelle membraneless organelle intracellular membraneless organelle ribosome
X [auth 3]	Large ribosomal subunit protein eL8	RNA binding binding rRNA binding nucleic acid binding tRNA-specific ribonuclease activity endonuclease activity RNA endonuclease activity producing 5'-phosphomonoesters, hydrolytic mechanism catalytic activity, acting on RNA catalytic activity, acting on a nucleic acid RNA nuclease activity catalytic activity, acting on a tRNA hydrolase activity nuclease activity hydrolase activity, acting on ester bonds RNA binding binding rRNA binding nucleic acid binding tRNA-specific ribonuclease activity endonuclease activity RNA endonuclease activity producing 5'-phosphomonoesters, hydrolytic mechanism catalytic activity, acting on RNA catalytic activity, acting on a nucleic acid RNA nuclease activity catalytic activity, acting on a tRNA hydrolase activity nuclease activity hydrolase activity, acting on ester bonds RNA endonuclease activity ribonuclease P activity catalytic activity structural molecule activity structural constituent of ribosome	RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process tRNA metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process biosynthetic process tRNA processing RNA 5'-end processing metabolic process RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process tRNA metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process biosynthetic process tRNA processing RNA 5'-end processing metabolic process cellular process macromolecule metabolic process RNA processing tRNA 5'-leader removal tRNA 5'-end processing cellular component biogenesis ribosome biogenesis ribonucleoprotein complex biogenesis cellular component organization or biogenesis protein metabolic process translation protein biosynthetic process	protein-containing complex ribonucleoprotein complex cellular anatomical structure intracellular anatomical structure cytoplasm intracellular organelle organelle membraneless organelle intracellular membraneless organelle ribosome
W [auth Y]	Small ribosomal subunit protein eS31	cation binding transition metal ion binding zinc ion binding ion binding binding metal ion binding small molecule binding structural molecule activity structural constituent of ribosome RNA binding rRNA binding nucleic acid binding	biosynthetic process metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process	protein-containing complex ribonucleoprotein complex cellular anatomical structure intracellular anatomical structure cytoplasm intracellular organelle organelle membraneless organelle intracellular membraneless organelle ribosome
R [auth T]	Small ribosomal subunit protein uS19	RNA binding binding tRNA binding nucleic acid binding structural molecule activity structural constituent of ribosome rRNA binding	biosynthetic process metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process	cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosol
K	Small ribosomal subunit protein uS9	RNA binding binding nucleic acid binding tRNA binding structural molecule activity structural constituent of ribosome rRNA binding	ribonucleoprotein complex biogenesis RNA metabolic process rRNA processing maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) cellular component biogenesis nucleobase-containing compound metabolic process RNA biosynthetic process ribosome biogenesis nucleic acid biosynthetic process maturation of SSU-rRNA cellular component organization or biogenesis RNA processing rRNA metabolic process primary metabolic process ribonucleoprotein complex biogenesis RNA metabolic process rRNA processing maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) cellular component biogenesis nucleobase-containing compound metabolic process RNA biosynthetic process ribosome biogenesis nucleic acid biosynthetic process maturation of SSU-rRNA cellular component organization or biogenesis RNA processing rRNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process ribosomal small subunit biogenesis nucleic acid metabolic process biosynthetic process cellular process metabolic process macromolecule metabolic process protein metabolic process translation protein biosynthetic process	cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B [auth A]	IPR001593	Small ribosomal subunit protein eS1	Family
B [auth A]	IPR030838	Small ribosomal subunit protein eS1, archaea	Family
C [auth B]	IPR023454	Small ribosomal subunit protein uS2, archaea	Family
C [auth B]	IPR023591	Small ribosomal subunit protein uS2, flavodoxin-like domain superfamily	Homologous Superfamily
C [auth B]	IPR018130	Small ribosomal subunit protein uS2, conserved site	Conserved Site
C [auth B]	IPR001865	Small ribosomal subunit protein uS2	Family
C [auth B]	IPR005707	Small ribosomal subunit protein uS2, eukaryota/archaea	Family
D [auth C]	IPR044720	Small ribosomal subunit protein aS21	Family
D [auth C]	IPR011668	Ribosomal protein aS21, zinc-binding pocket	Domain
E [auth D]	IPR002942	RNA-binding S4 domain	Domain
E [auth D]	IPR022802	Small ribosomal subunit protein uS4, archaea	Family
E [auth D]	IPR022801	Small ribosomal subunit protein uS4	Family
E [auth D]	IPR005710	Small ribosomal subunit protein uS4, eukaryota/archaea	Family
E [auth D]	IPR018079	Small ribosomal subunit protein uS4, conserved site	Conserved Site
E [auth D]	IPR001912	Small ribosomal subunit protein uS4, N-terminal	Domain
E [auth D]	IPR036986	RNA-binding S4 domain superfamily	Homologous Superfamily
G	IPR001377	Small ribosomal subunit protein eS6	Family
G	IPR018282	Small ribosomal subunit protein eS6, conserved site	Conserved Site
G	IPR020924	Small ribosomal subunit protein eS6, archaea	Family
H	IPR020606	Small ribosomal subunit protein uS7, conserved site	Conserved Site
H	IPR000235	Small ribosomal subunit protein uS7	Family
H	IPR036823	Small ribosomal subunit protein uS7 domain superfamily	Homologous Superfamily
H	IPR026018	Small ribosomal subunit protein uS7, archaea	Family
H	IPR023798	Small ribosomal subunit protein uS7 domain	Domain
H	IPR005716	Ribosomal protein uS7, eukaryotic/archaeal	Family
I	IPR000630	Small ribosomal subunit protein uS8	Family
I	IPR047863	Small ribosomal subunit protein uS8, conserved site	Conserved Site
I	IPR035987	Small ribosomal subunit protein uS8 superfamily	Homologous Superfamily
J	IPR001047	Small ribosomal subunit protein eS8	Family
J	IPR020919	Small ribosomal subunit protein eS8, archaea	Family
J	IPR022309	Ribosomal protein eS8/ribosomal biogenesis NSA2	Family
J	IPR018283	Small ribosomal subunit protein eS8, conserved site	Conserved Site
L	IPR001848	Small ribosomal subunit protein uS10	Family
L	IPR027486	Small ribosomal subunit protein uS10 domain	Domain
L	IPR036838	Small ribosomal subunit protein uS10 domain superfamily	Homologous Superfamily
L	IPR005729	Small ribosomal subunit protein uS10, eukaryotic/archaeal	Family
L	IPR018268	Small ribosomal subunit protein uS10, conserved site	Conserved Site
M	IPR019961	Small ribosomal subunit protein uS11, archaea	Family
M	IPR001971	Small ribosomal subunit protein uS11	Family
M	IPR036967	Small ribosomal subunit protein uS11 superfamily	Homologous Superfamily
M	IPR018102	Small ribosomal subunit protein uS11, conserved site	Conserved Site
N	IPR006032	Small ribosomal subunit protein uS12	Family
N	IPR022863	Ribosomal protein uS12, archaea	Family
N	IPR012340	Nucleic acid-binding, OB-fold	Homologous Superfamily
N	IPR005680	Small ribosomal subunit protein uS12, eukaryota/archaea	Family
O	IPR027437	Small ribosomal subunit protein uS13, C-terminal	Homologous Superfamily
O	IPR001892	Small ribosomal subunit protein uS13	Family
O	IPR019977	Small ribosomal subunit protein uS13, archaea	Family
O	IPR018269	Small ribosomal subunit protein uS13, conserved site	Conserved Site
O	IPR010979	Small ribosomal subunit protein uS13-like, H2TH	Homologous Superfamily
P [auth Q]	IPR012606	Small ribosomal subunit protein uS15, N-terminal	Domain
P [auth Q]	IPR009068	uS15/NS1, RNA-binding domain superfamily	Homologous Superfamily
P [auth Q]	IPR023029	Small ribosomal subunit protein uS15, archaea/eukaryota	Family
P [auth Q]	IPR000589	Small ribosomal subunit protein uS15	Family
Q [auth S]	IPR036401	Small ribosomal subunit protein eS17 superfamily	Homologous Superfamily
Q [auth S]	IPR001210	Small ribosomal subunit protein eS17	Family
Q [auth S]	IPR018273	Small ribosomal subunit protein eS17, conserved site	Conserved Site
S [auth U]	IPR001266	Small ribosomal subunit protein eS19	Family
S [auth U]	IPR036388	Winged helix-like DNA-binding domain superfamily	Homologous Superfamily
S [auth U]	IPR027548	Small ribosomal subunit protein eS19, archaea	Family
S [auth U]	IPR036390	Winged helix DNA-binding domain superfamily	Homologous Superfamily
T [auth V]	IPR053709	Eukaryotic Ribosomal Protein eS24	Homologous Superfamily
T [auth V]	IPR001976	Small ribosomal subunit protein eS24	Family
T [auth V]	IPR012678	Ribosomal protein uL23/eL15/eS24 core domain superfamily	Homologous Superfamily
T [auth V]	IPR018098	Small ribosomal subunit protein eS24 conserved site	Conserved Site
U [auth W]	IPR023407	Small ribosomal subunit protein eS27, zinc-binding domain superfamily	Homologous Superfamily
U [auth W]	IPR000592	Small ribosomal subunit protein eS27	Family
U [auth W]	IPR011332	Zinc-binding ribosomal protein	Homologous Superfamily
V [auth X]	IPR028626	Ribosomal protein eS28 conserved site	Conserved Site
V [auth X]	IPR012340	Nucleic acid-binding, OB-fold	Homologous Superfamily
V [auth X]	IPR000289	Small ribosomal subunit protein eS28	Family
CA [auth P]	IPR001209	Small ribosomal subunit protein uS14	Family
CA [auth P]	IPR018271	Small ribosomal subunit protein uS14, conserved site	Conserved Site
CA [auth P]	IPR039744	Small ribosomal subunit protein uS14, eukaryotes/archaea	Family
CA [auth P]	IPR043140	Small ribosomal subunit protein uS14 superfamily	Homologous Superfamily
CA [auth P]	IPR023676	Small ribosomal subunit protein uS14, archaea	Family
GA [auth c]	IPR004977	Small ribosomal subunit protein eS25	Family
GA [auth c]	IPR036390	Winged helix DNA-binding domain superfamily	Homologous Superfamily
HA [auth E]	IPR013843	Small ribosomal subunit protein eS4, N-terminal	Domain
HA [auth E]	IPR002942	RNA-binding S4 domain	Domain
HA [auth E]	IPR013845	Small ribosomal subunit protein eS4, central region	Domain
HA [auth E]	IPR000876	Small ribosomal subunit protein eS4	Family
HA [auth E]	IPR014722	Large ribosomal subunit protein uL2, domain 2	Homologous Superfamily
HA [auth E]	IPR038237	Small ribosomal subunit protein eS4, central domain superfamily	Homologous Superfamily
HA [auth E]	IPR041982	Small ribosomal subunit protein eS4, KOW domain	Domain
HA [auth E]	IPR036986	RNA-binding S4 domain superfamily	Homologous Superfamily
F	IPR000851	Small ribosomal subunit protein uS5	Family
F	IPR005324	Small ribosomal subunit protein uS5, C-terminal	Domain
F	IPR005711	Small ribosomal subunit protein uS5, eukaryota_archaea	Family
F	IPR047866	Small ribosomal subunit protein uS5, archaea	Family
F	IPR013810	Small ribosomal subunit protein uS5, N-terminal	Domain
F	IPR020568	Ribosomal protein uS5 domain 2-type superfamily	Homologous Superfamily
F	IPR018192	Small ribosomal subunit protein uS5, N-terminal, conserved site	Conserved Site
F	IPR014721	Small ribosomal subunit protein uS5 domain 2-type fold, subgroup	Homologous Superfamily
EA [auth Z]	IPR005703	Small ribosomal subunit protein uS3, eukaryota/archaeal	Family
EA [auth Z]	IPR027488	Small ribosomal subunit protein uS3, archaea	Family
EA [auth Z]	IPR001351	Small ribosomal subunit protein uS3, C-terminal	Domain
EA [auth Z]	IPR057258	Small ribosomal subunit protein uS3	Family
EA [auth Z]	IPR009019	K homology domain superfamily, prokaryotic type	Homologous Superfamily
EA [auth Z]	IPR004087	K Homology domain	Domain
EA [auth Z]	IPR004044	K Homology domain, type 2	Domain
EA [auth Z]	IPR015946	K homology domain-like, alpha/beta	Homologous Superfamily
EA [auth Z]	IPR036419	Ribosomal protein S3, C-terminal domain superfamily	Homologous Superfamily
EA [auth Z]	IPR018280	Small ribosomal subunit protein uS3, conserved site	Conserved Site
DA [auth R]	IPR019979	Small ribosomal subunit protein uS17, conserved site	Conserved Site
DA [auth R]	IPR012340	Nucleic acid-binding, OB-fold	Homologous Superfamily
DA [auth R]	IPR000266	Small ribosomal subunit protein uS17	Family
DA [auth R]	IPR019978	Small ribosomal subunit protein uS17, archaeal	Family
DA [auth R]	IPR028333	Small ribosomal subunit protein uS17, archaeal/eukaryotic	Family
Z [auth e]	IPR006846	Small ribosomal subunit protein eS30	Family
X [auth 3]	IPR050257	Large ribosomal subunit protein eL8/uL1-like	Family
X [auth 3]	IPR004038	Ribosomal protein eL8/eL30/eS12/Gadd45	Domain
X [auth 3]	IPR022481	Large ribosomal subunit protein eL8, archaea	Family
X [auth 3]	IPR004037	Large ribosomal subunit protein eL8-like, conserved site	Conserved Site
X [auth 3]	IPR029064	Ribosomal protein eL30-like superfamily	Homologous Superfamily
X [auth 3]	IPR018492	Ribosomal protein eL8/Nhp2 family	Family
W [auth Y]	IPR002906	Small ribosomal subunit protein eS31	Domain
W [auth Y]	IPR022845	Small ribosomal subunit protein eS31, archaea	Family
W [auth Y]	IPR011332	Zinc-binding ribosomal protein	Homologous Superfamily
R [auth T]	IPR002222	Small ribosomal subunit protein uS19	Family
R [auth T]	IPR023575	Small ribosomal subunit protein uS19, superfamily	Homologous Superfamily
R [auth T]	IPR020934	Small ribosomal subunit protein uS19, conserved site	Conserved Site
R [auth T]	IPR005713	Small ribosomal subunit protein uS19, eukaryota/archaea	Family
K	IPR019958	Small ribosomal subunit protein uS9, archaea	Family
K	IPR020574	Small ribosomal subunit protein uS9, conserved site	Conserved Site
K	IPR020568	Ribosomal protein uS5 domain 2-type superfamily	Homologous Superfamily
K	IPR000754	Small ribosomal subunit protein uS9	Family
K	IPR014721	Small ribosomal subunit protein uS5 domain 2-type fold, subgroup	Homologous Superfamily

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.

9FRL | pdb_00009frl

Cryo-EM structure of Saccharolobus solfataricus 30S initiation complex bound to SD mRNA with h44 in up position

External Resource: Annotation

Domain Annotation: ECOD Classification ECOD Database Homepage

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

InterPro: Protein Family Classification InterPro Database Homepage