Annotations: 3HS8

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Subdomain of clathrin and coatomer appendage domain	8040757	3000382	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Clathrin adaptor appendage domain	8055289	3002052	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	Alpha_adaptinC2	e3hs8A1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Alpha_adaptinC2	ECOD (1.6)
A	Alpha_adaptin_C	e3hs8A2	A: a+b two layers	X: TBP-like	H: Subdomain of clathrin and coatomer appendage domain (From Topology)	T: Subdomain of clathrin and coatomer appendage domain	F: Alpha_adaptin_C	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.60.40.1230	Mainly Beta	Sandwich	Immunoglobulin-like	Gamma-adaptin ear (GAE) domain	CATH (4.3.0)
A	3.30.310.10	Alpha Beta	2-Layer Sandwich	TATA-Binding Protein	TATA-Binding Protein	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF02296	Alpha adaptin AP2, C-terminal domain (Alpha_adaptin_C)	Alpha adaptin AP2, C-terminal domain	Alpha adaptin is a hetero tetramer which regulates clathrin-bud formation. The carboxyl-terminal appendage of the alpha subunit regulates translocation of endocytic accessory proteins to the bud site.	Domain
A	PF02883	Adaptin C-terminal domain (Alpha_adaptinC2)	Adaptin C-terminal domain	Alpha adaptin is a heterotetramer which regulates clathrin-bud formation. The carboxyl-terminal appendage of the alpha subunit regulates translocation of endocytic accessory proteins to the bud site. This ig-fold domain is found in alpha, beta and ...	Alpha adaptin is a heterotetramer which regulates clathrin-bud formation. The carboxyl-terminal appendage of the alpha subunit regulates translocation of endocytic accessory proteins to the bud site. This ig-fold domain is found in alpha, beta and gamma adaptins.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B [auth P]	peptide from Intersectin-1, residues 840-851	cation binding ion binding binding calcium ion binding metal ion binding small molecule binding enzyme regulator activity kinase activator activity enzyme activator activity molecular function activator activity molecular function regulator activity kinase regulator activity GTPase regulator activity guanyl-nucleotide exchange factor activity cation binding ion binding binding calcium ion binding metal ion binding small molecule binding enzyme regulator activity kinase activator activity enzyme activator activity molecular function activator activity molecular function regulator activity kinase regulator activity GTPase regulator activity guanyl-nucleotide exchange factor activity nucleoside-triphosphatase regulator activity	synaptic vesicle endocytosis import into cell cellular localization transport synaptic vesicle cycle establishment of localization vesicle-mediated transport presynaptic endocytosis vesicle-mediated transport in synapse synaptic vesicle recycling localization establishment of localization in cell cellular process endocytosis synaptic vesicle endocytosis import into cell cellular localization transport synaptic vesicle cycle establishment of localization vesicle-mediated transport presynaptic endocytosis vesicle-mediated transport in synapse synaptic vesicle recycling localization establishment of localization in cell cellular process endocytosis establishment of protein localization nitrogen compound transport protein transport macromolecule localization intracellular protein localization regulation of biological process signaling biological regulation cell-cell signaling cell communication cellular response to stimulus positive regulation of cell communication regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction regulation of cellular process positive regulation of signal transduction response to stimulus positive regulation of biological process regulation of signal transduction intracellular signal transduction positive regulation of response to stimulus regulation of intracellular signal transduction intracellular signaling cassette signal transduction positive regulation of cellular process regulation of signaling positive regulation of intracellular signal transduction positive regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction regulation of response to stimulus regulation of cell communication phosphatidylinositol 3-kinase/protein kinase B signal transduction positive regulation of signaling neuron apoptotic process negative regulation of neuron apoptotic process negative regulation of programmed cell death regulation of apoptotic process negative regulation of biological process regulation of programmed cell death cell death negative regulation of apoptotic process negative regulation of cellular process apoptotic process programmed cell death regulation of neuron apoptotic process secretion by cell exocytosis secretion export from cell small GTPase-mediated signal transduction	cell projection cellular anatomical structure cell leading edge plasma membrane bounded cell projection lamellipodium clathrin-coated pit membrane endomembrane system membrane-bounded organelle intracellular organelle organelle envelope intracellular anatomical structure organelle nuclear envelope cell projection cellular anatomical structure cell leading edge plasma membrane bounded cell projection lamellipodium clathrin-coated pit membrane endomembrane system membrane-bounded organelle intracellular organelle organelle envelope intracellular anatomical structure organelle nuclear envelope nucleus intracellular membrane-bounded organelle cytoplasm cytosol cell periphery plasma membrane intracellular vesicle cytoplasmic vesicle vesicle endocytic vesicle presynapse presynaptic endocytic zone synapse cell junction axon neuron projection axon terminus distal axon calyx of Held neuron projection terminus endosome recycling endosome
A	Adaptor protein complex AP-2, alpha 2 subunit	protein binding binding protein domain specific binding kinase binding enzyme binding protein kinase binding lipid binding cargo adaptor activity clathrin adaptor activity protein-macromolecule adaptor activity molecular adaptor activity disordered domain specific binding	developmental process regulation of biological process regulation of cellular process regulation of developmental process cellular developmental process hemopoiesis biological regulation cell development regulation of cell differentiation regulation of hematopoietic stem cell differentiation stem cell differentiation cell differentiation regulation of stem cell differentiation anatomical structure development hematopoietic stem cell differentiation developmental process regulation of biological process regulation of cellular process regulation of developmental process cellular developmental process hemopoiesis biological regulation cell development regulation of cell differentiation regulation of hematopoietic stem cell differentiation stem cell differentiation cell differentiation regulation of stem cell differentiation anatomical structure development hematopoietic stem cell differentiation cellular process regulation of hematopoietic progenitor cell differentiation hematopoietic progenitor cell differentiation synaptic vesicle endocytosis import into cell cellular localization transport synaptic vesicle cycle establishment of localization vesicle-mediated transport presynaptic endocytosis vesicle-mediated transport in synapse synaptic vesicle recycling localization establishment of localization in cell endocytosis clathrin-dependent endocytosis receptor-mediated endocytosis receptor internalization postsynaptic neurotransmitter receptor internalization neurotransmitter receptor internalization regulation of postsynaptic membrane neurotransmitter receptor levels postsynaptic endocytosis regulation of biological quality establishment of protein localization nitrogen compound transport intracellular transport protein transport macromolecule localization intracellular protein localization intracellular protein transport	membrane-bounded organelle intracellular anatomical structure intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle cellular anatomical structure cytoplasmic vesicle organelle secretory granule secretory vesicle cytoplasm vesicle presynapse membrane-bounded organelle intracellular anatomical structure intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle cellular anatomical structure cytoplasmic vesicle organelle secretory granule secretory vesicle cytoplasm vesicle presynapse synapse cell junction protein-containing complex vesicle coat membrane protein complex membrane coat cell periphery bounding membrane of organelle AP-type membrane coat adaptor complex AP-2 adaptor complex vesicle membrane clathrin-coated pit clathrin-coated vesicle endocytic vesicle membrane coated vesicle clathrin vesicle coat endocytic vesicle clathrin-coated vesicle membrane clathrin coat of coated pit clathrin coat of endocytic vesicle clathrin-coated endocytic vesicle membrane plasma membrane protein complex membrane plasma membrane coated membrane clathrin-coated endocytic vesicle clathrin coat cytoplasmic vesicle membrane coated vesicle membrane organelle membrane clathrin adaptor complex cytoplasmic side of plasma membrane cytoplasmic side of membrane side of membrane postsynapse

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B [auth P]	IPR001849	Pleckstrin homology domain	Domain
B [auth P]	IPR000261	EH domain	Domain
B [auth P]	IPR000219	Dbl homology domain	Domain
B [auth P]	IPR036028	SH3-like domain superfamily	Homologous Superfamily
B [auth P]	IPR000008	C2 domain	Domain
B [auth P]	IPR011993	PH-like domain superfamily	Homologous Superfamily
B [auth P]	IPR002048	EF-hand domain	Domain
B [auth P]	IPR001331	Guanine-nucleotide dissociation stimulator, CDC24, conserved site	Conserved Site
B [auth P]	IPR011992	EF-hand domain pair	Homologous Superfamily
B [auth P]	IPR018247	EF-Hand 1, calcium-binding site	Binding Site
B [auth P]	IPR001452	SH3 domain	Domain
B [auth P]	IPR051480	Endocytic & GEF Adapter	Family
B [auth P]	IPR035892	C2 domain superfamily	Homologous Superfamily
B [auth P]	IPR035899	Dbl homology (DH) domain superfamily	Homologous Superfamily
B [auth P]	IPR032140	Intersectin-1, AP2 binding region	Domain
A	IPR016024	Armadillo-type fold	Homologous Superfamily
A	IPR003164	Clathrin adaptor, alpha-adaptin, appendage, C-terminal subdomain	Domain
A	IPR011989	Armadillo-like helical	Homologous Superfamily
A	IPR012295	TBP domain superfamily	Homologous Superfamily
A	IPR002553	Clathrin/coatomer adaptor, adaptin-like, N-terminal	Domain
A	IPR013041	Clathrin adaptor, appendage, Ig-like subdomain superfamily	Homologous Superfamily
A	IPR050840	Adaptor Complexes Large Subunit	Family
A	IPR008152	Clathrin adaptor, alpha/beta/gamma-adaptin, appendage, Ig-like subdomain	Domain
A	IPR017104	Adaptor protein complex AP-2, alpha subunit	Family
A	IPR009028	Coatomer/calthrin adaptor appendage, C-terminal subdomain	Homologous Superfamily