2PO1 | pdb_00002po1

Crystal structure of the P. abyssi exosome RNase PH ring complexed with a single stranded 10-mer poly(A) RNA

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B [auth A]	d2po1a1	Alpha and beta proteins (a+b)	Ribosomal protein S5 domain 2-like	Ribosomal protein S5 domain 2-like	automated matches	automated matches	(Pyrococcus abyssi ) [TaxId: 29292 ],	SCOPe (2.08)
B [auth A]	d2po1a2	Alpha and beta proteins (a+b)	Ribonuclease PH domain 2-like	Ribonuclease PH domain 2-like	automated matches	automated matches	(Pyrococcus abyssi ) [TaxId: 29292 ],	SCOPe (2.08)
C [auth B]	d2po1b1	Alpha and beta proteins (a+b)	Ribosomal protein S5 domain 2-like	Ribosomal protein S5 domain 2-like	automated matches	automated matches	(Pyrococcus abyssi ) [TaxId: 29292 ],	SCOPe (2.08)
C [auth B]	d2po1b2	Alpha and beta proteins (a+b)	Ribonuclease PH domain 2-like	Ribonuclease PH domain 2-like	automated matches	automated matches	(Pyrococcus abyssi ) [TaxId: 29292 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B [auth A]		e2po1A1	A: HTH	X: HTH	H: tetra-helical, lambda repressor-like	T: Cellulase	F:	ECOD (20:10:01)
C [auth B]		e2po1B3	A: Subtilisin-like	X: Subtilisin-like	H: Subtilisin-like	T: Peptidase_M49	F:	ECOD (20:10:01)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B [auth A]	3.30.230.70	Alpha Beta	2-Layer Sandwich	Ribosomal Protein S5	domain 2	CATH (4.3.0)
C [auth B]	3.30.230.70	Alpha Beta	2-Layer Sandwich	Ribosomal Protein S5	domain 2	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth C]	10-mer poly(A)	-	-	-
B [auth A]	Probable exosome complex exonuclease 1	3'-5'-RNA exonuclease activity catalytic activity, acting on RNA catalytic activity, acting on a nucleic acid RNA exonuclease activity, producing 5'-phosphomonoesters 3'-5' exonuclease activity RNA exonuclease activity RNA nuclease activity hydrolase activity hydrolase activity, acting on ester bonds nuclease activity exonuclease activity catalytic activity RNA binding binding 3'-5'-RNA exonuclease activity catalytic activity, acting on RNA catalytic activity, acting on a nucleic acid RNA exonuclease activity, producing 5'-phosphomonoesters 3'-5' exonuclease activity RNA exonuclease activity RNA nuclease activity hydrolase activity hydrolase activity, acting on ester bonds nuclease activity exonuclease activity catalytic activity RNA binding binding nucleic acid binding	regulation of cellular process catabolic process negative regulation of biological process RNA metabolic process macromolecule catabolic process nucleobase-containing compound metabolic process negative regulation of cellular process RNA catabolic process negative regulation of macromolecule metabolic process regulation of biosynthetic process mRNA catabolic process nuclear-transcribed mRNA catabolic process regulation of biological process negative regulation of metabolic process regulation of cellular process catabolic process negative regulation of biological process RNA metabolic process macromolecule catabolic process nucleobase-containing compound metabolic process negative regulation of cellular process RNA catabolic process negative regulation of macromolecule metabolic process regulation of biosynthetic process mRNA catabolic process nuclear-transcribed mRNA catabolic process regulation of biological process negative regulation of metabolic process biological regulation primary metabolic process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process mRNA metabolic process nucleic acid metabolic process nucleobase-containing compound catabolic process regulation of gene expression negative regulation of gene expression biosynthetic process negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process nucleic acid catabolic process regulation of macromolecule biosynthetic process metabolic process cellular process macromolecule metabolic process regulation of metabolic process rRNA catabolic process rRNA metabolic process	exosome (RNase complex) protein-containing complex cellular anatomical structure intracellular anatomical structure catalytic complex cytoplasm cytoplasmic exosome (RNase complex) exoribonuclease complex
C [auth B]	Probable exosome complex exonuclease 2	mRNA 3'-UTR binding RNA binding mRNA 3'-UTR AU-rich region binding binding nucleic acid binding mRNA binding	catabolic process RNA metabolic process primary metabolic process rRNA catabolic process nucleic acid metabolic process macromolecule catabolic process nucleobase-containing compound catabolic process nucleobase-containing compound metabolic process nucleic acid catabolic process metabolic process cellular process macromolecule metabolic process rRNA metabolic process RNA catabolic process	exosome (RNase complex) protein-containing complex cellular anatomical structure intracellular anatomical structure catalytic complex cytoplasm cytoplasmic exosome (RNase complex) exoribonuclease complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B [auth A]	IPR011807	Exosome complex component Rrp41	Family
B [auth A]	IPR050080	Ribonuclease PH	Family
B [auth A]	IPR027408	PNPase/RNase PH domain superfamily	Homologous Superfamily
B [auth A]	IPR001247	Exoribonuclease, phosphorolytic domain 1	Domain
B [auth A]	IPR036345	Exoribonuclease, PH domain 2 superfamily	Homologous Superfamily
B [auth A]	IPR020568	Ribosomal protein uS5 domain 2-type superfamily	Homologous Superfamily
B [auth A]	IPR015847	Exoribonuclease, phosphorolytic domain 2	Domain
C [auth B]	IPR027408	PNPase/RNase PH domain superfamily	Homologous Superfamily
C [auth B]	IPR001247	Exoribonuclease, phosphorolytic domain 1	Domain
C [auth B]	IPR050590	Exosome complex component Rrp42 subfamily	Family
C [auth B]	IPR036345	Exoribonuclease, PH domain 2 superfamily	Homologous Superfamily
C [auth B]	IPR020568	Ribosomal protein uS5 domain 2-type superfamily	Homologous Superfamily
C [auth B]	IPR015847	Exoribonuclease, phosphorolytic domain 2	Domain
C [auth B]	IPR020869	Exosome complex component Rrp42, archaea	Family

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.