1SSH

Crystal structure of the SH3 domain from a S. cerevisiae hypothetical 40.4 kDa protein in complex with a peptide

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
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)
A	d1ssha2	All beta proteins	SH3-like barrel	SH3-domain	SH3-domain	automated matches	baker's yeast (Saccharomyces cerevisiae ) [TaxId: 4932 ],	SCOPe (2.08)
A	d1ssha3	Artifacts	Tags	Tags	Tags	N-terminal Tags	baker's yeast (Saccharomyces cerevisiae ) [TaxId: 4932 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	SH3-domain	8037687	3000153	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	SH3_1	e1sshA1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: SH3_1	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.30.30.40	Mainly Beta	Roll	SH3 type barrels.	SH3 Domains	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00018	SH3 domain (SH3_1)	SH3 domain	SH3 (Src homology 3) domains are often indicative of a protein involved in signal transduction related to cytoskeletal organisation. First described in the Src cytoplasmic tyrosine kinase Swiss:P12931. The structure is a partly opened beta barrel.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Hypothetical 40.4 kDa protein in PES4-HIS2 intergenic region	binding phospholipid binding lipid binding phosphatidylinositol binding cytoskeletal protein binding actin binding protein-containing complex binding protein binding actin filament binding identical protein binding	localization cellular localization actin cortical patch localization cellular process actin cytoskeleton organization actin filament organization cellular component biogenesis cellular component organization organelle organization cellular component assembly actin filament bundle organization actin filament bundle assembly actin filament-based process cellular component organization or biogenesis localization cellular localization actin cortical patch localization cellular process actin cytoskeleton organization actin filament organization cellular component biogenesis cellular component organization organelle organization cellular component assembly actin filament bundle organization actin filament bundle assembly actin filament-based process cellular component organization or biogenesis supramolecular fiber organization cytoskeleton organization	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle cell cortex cortical cytoskeleton intracellular membraneless organelle actin cytoskeleton cell periphery endocytic patch membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle cell cortex cortical cytoskeleton intracellular membraneless organelle actin cytoskeleton cell periphery endocytic patch cytoskeleton membraneless organelle cortical actin cytoskeleton actin cortical patch cellular bud neck cellular bud site of polarized growth
B	12-mer peptide from Cytoskeleton assembly control protein SLA1	cargo adaptor activity protein-macromolecule adaptor activity molecular adaptor activity protein binding binding ubiquitin binding ubiquitin-like protein binding cytoskeletal protein binding actin binding identical protein binding	actin cortical patch organization actin cytoskeleton organization cortical cytoskeleton organization actin cortical patch assembly cellular component organization cellular component biogenesis organelle organization cellular component assembly cortical actin cytoskeleton organization actin filament-based process cellular process cellular component organization or biogenesis cytoskeleton organization cell wall organization or biogenesis actin cortical patch organization actin cytoskeleton organization cortical cytoskeleton organization actin cortical patch assembly cellular component organization cellular component biogenesis organelle organization cellular component assembly cortical actin cytoskeleton organization actin filament-based process cellular process cellular component organization or biogenesis cytoskeleton organization cell wall organization or biogenesis cell wall organization external encapsulating structure organization localization import into cell transport endocytosis establishment of localization vesicle-mediated transport regulation of Arp2/3 complex-mediated actin nucleation regulation of cytoskeleton organization regulation of cellular component organization regulation of cellular process regulation of actin filament-based process negative regulation of biological process regulation of actin nucleation negative regulation of cellular process negative regulation of supramolecular fiber organization negative regulation of actin nucleation negative regulation of Arp2/3 complex-mediated actin nucleation regulation of biological process regulation of actin filament organization negative regulation of cellular component organization negative regulation of cytoskeleton organization actin filament organization biological regulation Arp2/3 complex-mediated actin nucleation regulation of organelle organization negative regulation of organelle organization regulation of actin cytoskeleton organization regulation of supramolecular fiber organization actin nucleation supramolecular fiber organization regulation of cellular component size regulation of protein-containing complex assembly protein-containing complex assembly regulation of actin filament polymerization regulation of biological quality protein polymerization actin polymerization or depolymerization actin filament polymerization protein-containing complex organization regulation of actin polymerization or depolymerization regulation of cellular component biogenesis regulation of protein polymerization regulation of actin filament length regulation of anatomical structure size	cell cortex intracellular anatomical structure cortical cytoskeleton intracellular membraneless organelle actin cytoskeleton cell periphery intracellular organelle endocytic patch cellular anatomical structure cytoskeleton organelle membraneless organelle cortical actin cytoskeleton actin cortical patch cell cortex intracellular anatomical structure cortical cytoskeleton intracellular membraneless organelle actin cytoskeleton cell periphery intracellular organelle endocytic patch cellular anatomical structure cytoskeleton organelle membraneless organelle cortical actin cytoskeleton actin cortical patch cytoplasm protein-containing complex SLAC complex cell projection mating projection cell tip mating projection tip cell pole plasma membrane bounded cell projection site of polarized growth plasma membrane membrane actin cytoskeleton-regulatory complex endosome membrane membrane-bounded organelle endosome intracellular vesicle intracellular membrane-bounded organelle endomembrane system cytoplasmic vesicle membrane bounding membrane of organelle vesicle membrane cytoplasmic vesicle vesicle organelle membrane cellular bud neck cellular bud nucleus

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR051702	SH3 domain-containing protein YSC84-like	Family
A	IPR007461	Ysc84 actin-binding domain	Domain
A	IPR001452	SH3 domain	Domain
A	IPR036028	SH3-like domain superfamily	Homologous Superfamily
A	IPR033643	SH3YL1-like, SYLF domain	Domain
B	IPR036028	SH3-like domain superfamily	Homologous Superfamily
B	IPR013761	Sterile alpha motif/pointed domain superfamily	Homologous Superfamily
B	IPR001452	SH3 domain	Domain
B	IPR007131	SLA1 homology domain 1, SHD1	Domain
B	IPR035821	Sla1, third SH3 domain	Domain
B	IPR035800	Sla1, first SH3 domain	Domain

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.