Annotations: 9HDB

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B [auth A]	SCOP2B Superfamily	SH3-domain	8062605	3000153	SCOP2B (2022-06-29)
A [auth B]	SCOP2B Superfamily	SH3-domain	8062605	3000153	SCOP2B (2022-06-29)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth B], B [auth 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 [auth B], B [auth A]	Actin cytoskeleton-regulatory complex 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 [auth B], B [auth A]	IPR036028	SH3-like domain superfamily	Homologous Superfamily
A [auth B], B [auth A]	IPR056996	SLA1-like, PH domain-like	Domain
A [auth B], B [auth A]	IPR013761	Sterile alpha motif/pointed domain superfamily	Homologous Superfamily
A [auth B], B [auth A]	IPR001452	SH3 domain	Domain
A [auth B], B [auth A]	IPR007131	SLA1 homology domain 1, SHD1	Domain
A [auth B], B [auth A]	IPR035821	Sla1, third SH3 domain	Domain
A [auth B], B [auth A]	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.