Annotations: 1I07

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1i07a_	All beta proteins	SH3-like barrel	SH3-domain	SH3-domain	EPS8 SH3 domain	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
B	d1i07b_	All beta proteins	SH3-like barrel	SH3-domain	SH3-domain	EPS8 SH3 domain	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	SH3-domain	8021099	4000369	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	SH3-domain	8033479	3000153	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	SH3-domain	8033479	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_1	e1i07A1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: SH3_1_1	ECOD (1.6)
B	SH3_1_1	e1i07B1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: SH3_1_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)
B	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, B	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, B	EPIDERMAL GROWTH FACTOR RECEPTOR KINASE SUBSTRATE EPS8	small GTPase binding protein binding binding enzyme binding GTPase binding cytoskeletal protein binding actin binding	cellular process actin polymerization-dependent cell motility cell motility adult locomotory behavior behavior multicellular organismal process adult behavior locomotory behavior regulation of postsynaptic membrane neurotransmitter receptor levels biological regulation regulation of biological quality dendritic cell migration leukocyte migration immune system process cellular process actin polymerization-dependent cell motility cell motility adult locomotory behavior behavior multicellular organismal process adult behavior locomotory behavior regulation of postsynaptic membrane neurotransmitter receptor levels biological regulation regulation of biological quality dendritic cell migration leukocyte migration immune system process mononuclear cell migration cell migration mitotic nuclear division organelle fission cell cycle phase transition exit from mitosis mitotic cell cycle cellular component organization nuclear division organelle organization mitotic cell cycle process cell cycle cellular component organization or biogenesis cell cycle process mitotic cell cycle phase transition actin cytoskeleton organization actin filament-based process cytoskeleton organization response to organic substance response to stimulus response to alcohol response to chemical behavioral response to ethanol response to oxygen-containing compound response to ethanol regulation of cytoskeleton organization regulation of biological process regulation of cellular component organization regulation of cellular process regulation of actin filament-based process regulation of cellular component size regulation of organelle organization regulation of actin filament length regulation of actin cytoskeleton organization regulation of anatomical structure size cellular response to stimulus regulation of signaling small GTPase-mediated signal transduction signaling regulation of small GTPase mediated signal transduction regulation of signal transduction regulation of Rho protein signal transduction intracellular signal transduction Rho protein signal transduction cell communication regulation of intracellular signal transduction regulation of response to stimulus intracellular signaling cassette regulation of cell communication signal transduction developmental process regulation of developmental process regulation of cell shape cell morphogenesis regulation of cell morphogenesis anatomical structure morphogenesis anatomical structure development regulation of anatomical structure morphogenesis Rac protein signal transduction actin filament organization actin crosslink formation supramolecular fiber organization negative regulation of biological process protein-containing complex disassembly regulation of protein-containing complex disassembly actin filament depolymerization regulation of actin filament depolymerization cellular component biogenesis actin filament capping cellular component assembly negative regulation of supramolecular fiber organization negative regulation of actin filament polymerization cellular component disassembly barbed-end actin filament capping negative regulation of cellular component organization negative regulation of protein depolymerization negative regulation of protein-containing complex assembly regulation of protein polymerization regulation of supramolecular fiber organization regulation of protein-containing complex assembly negative regulation of protein-containing complex disassembly negative regulation of cellular process protein-containing complex assembly negative regulation of protein polymerization regulation of actin filament polymerization actin polymerization or depolymerization protein polymerization regulation of actin filament organization actin filament polymerization protein-containing complex organization regulation of protein depolymerization negative regulation of cytoskeleton organization regulation of actin polymerization or depolymerization regulation of cellular component biogenesis negative regulation of organelle organization negative regulation of actin filament depolymerization protein depolymerization actin filament bundle organization actin filament bundle assembly response to cytokine response to leukemia inhibitory factor cellular response to leukemia inhibitory factor cellular response to chemical stimulus cellular response to cytokine stimulus cellular response to organic substance positive regulation of cellular component organization cell projection organization ruffle organization positive regulation of biological process plasma membrane bounded cell projection assembly ruffle assembly positive regulation of cell projection organization positive regulation of cellular process plasma membrane bounded cell projection organization positive regulation of cellular component biogenesis regulation of cell projection organization regulation of cell projection assembly positive regulation of ruffle assembly regulation of plasma membrane bounded cell projection assembly regulation of ruffle assembly cell projection assembly regulation of plasma membrane bounded cell projection organization positive regulation of plasma membrane bounded cell projection assembly	cell periphery cell cortex intracellular anatomical structure cytoplasm cellular anatomical entity cell projection stereocilium actin-based cell projection organelle stereocilium tip stereocilium bundle neuron projection cluster of actin-based cell projections plasma membrane bounded cell projection cell periphery cell cortex intracellular anatomical structure cytoplasm cellular anatomical entity cell projection stereocilium actin-based cell projection organelle stereocilium tip stereocilium bundle neuron projection cluster of actin-based cell projections plasma membrane bounded cell projection ruffle cell leading edge plasma membrane membrane leading edge membrane ruffle membrane plasma membrane region cell projection membrane protein-containing complex plasma membrane protein complex membrane protein complex transporter complex NMDA selective glutamate receptor complex receptor complex ionotropic glutamate receptor complex neurotransmitter receptor complex transmembrane transporter complex plasma membrane signaling receptor complex monoatomic ion channel complex cytosol brush border growth cone axon distal axon site of polarized growth synapse cell junction glutamatergic synapse postsynaptic density postsynapse neuron to neuron synapse postsynaptic specialization asymmetric synapse

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR039801	Epidermal growth factor receptor kinase substrate 8-like	Family
A, B	IPR036028	SH3-like domain superfamily	Homologous Superfamily
A, B	IPR011993	PH-like domain superfamily	Homologous Superfamily
A, B	IPR006020	PTB/PI domain	Domain
A, B	IPR033928	Epidermal growth factor receptor kinase substrate, phosphotyrosine-binding domain	Domain
A, B	IPR013761	Sterile alpha motif/pointed domain superfamily	Homologous Superfamily
A, B	IPR041418	SAM domain	Domain
A, B	IPR013625	Tensin/EPS8 phosphotyrosine-binding domain	Domain
A, B	IPR001452	SH3 domain	Domain
A, B	IPR035462	Eps8, SH3 domain	Domain

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.