1B9K

ALPHA-ADAPTIN APPENDAGE DOMAIN, FROM CLATHRIN ADAPTOR AP2

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	d1b9ka1	All beta proteins	Immunoglobulin-like beta-sandwich	Clathrin adaptor appendage domain	Alpha-adaptin ear subdomain-like	Alpha-adaptin AP2 ear domain, N-terminal subdomain	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
A	d1b9ka2	Alpha and beta proteins (a+b)	Subdomain of clathrin and coatomer appendage domain	Subdomain of clathrin and coatomer appendage domain	Clathrin adaptor appendage, alpha and beta chain-specific domain	Alpa-adaptin AP2, C-terminal subdomain	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	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	e1b9kA1	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	e1b9kA2	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
A	PROTEIN (ALPHA-ADAPTIN APPENDAGE DOMAIN)	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 protein-containing complex localization neurotransmitter receptor internalization regulation of postsynaptic membrane neurotransmitter receptor levels postsynaptic endocytosis regulation of biological quality protein localization establishment of protein localization nitrogen compound transport intracellular transport protein transport cellular macromolecule localization macromolecule 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
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

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.