2XA7

AP2 clathrin adaptor core in active complex with cargo peptides

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	ARM repeat-like	8039143	3000116	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	ARM repeat-like	8039144	3000116	SCOP2B (2022-06-29)
C [auth M]	SCOP2B Superfamily	SNARE-like	8039151	3001113	SCOP2B (2022-06-29)
C [auth M]	SCOP2B Superfamily	mu adaptin domain-like	8036010	3000810	SCOP2B (2022-06-29)
E [auth S]	SCOP2B Superfamily	SNARE-like	8039154	3001113	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	PF01602	e2xa7A1	A: alpha superhelices	X: Repetitive alpha hairpins	H: ARM repeat (From Topology)	T: ARM repeat	F: PF01602	ECOD (1.6)
B	PF01602	e2xa7B1	A: alpha superhelices	X: Repetitive alpha hairpins	H: ARM repeat (From Topology)	T: ARM repeat	F: PF01602	ECOD (1.6)
C [auth M]	PF00928	e2xa7M3	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Common fold of diphtheria toxin/transcription factors/cytochrome f	F: PF00928	ECOD (1.6)
C [auth M]	PF01217	e2xa7M1	A: a+b three layers	X: Profilin-like	H: profilin-like (From Topology)	T: profilin-like	F: PF01217	ECOD (1.6)
E [auth S]	PF01217	e2xa7S1	A: a+b three layers	X: Profilin-like	H: profilin-like (From Topology)	T: profilin-like	F: PF01217	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.25.10.10	Mainly Alpha	Alpha Horseshoe	Leucine-rich Repeat Variant	Leucine-rich Repeat Variant	CATH (4.3.0)
B	1.25.10.10	Mainly Alpha	Alpha Horseshoe	Leucine-rich Repeat Variant	Leucine-rich Repeat Variant	CATH (4.3.0)
C [auth M]	3.30.450.60	Alpha Beta	2-Layer Sandwich	Beta-Lactamase		CATH (4.3.0)
E [auth S]	3.30.450.60	Alpha Beta	2-Layer Sandwich	Beta-Lactamase		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF01602	Adaptin N terminal region (Adaptin_N)	Adaptin N terminal region	-	Repeat
B	PF01602	Adaptin N terminal region (Adaptin_N)	Adaptin N terminal region	-	Repeat
C [auth M]	PF00928	Adaptor complexes medium subunit family (Adap_comp_sub)	Adaptor complexes medium subunit family	-	Family
E [auth S]	PF01217	Clathrin adaptor complex small chain (Clat_adaptor_s)	Clathrin adaptor complex small chain	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	ADAPTOR-RELATED PROTEIN COMPLEX 2, ALPHA 2 SUBUNIT	binding phospholipid binding lipid binding phosphatidylinositol binding protein binding kinase binding enzyme binding protein domain specific binding protein serine/threonine kinase binding protein kinase binding protein-containing complex binding cargo adaptor activity clathrin adaptor activity protein-macromolecule adaptor activity binding phospholipid binding lipid binding phosphatidylinositol binding protein binding kinase binding enzyme binding protein domain specific binding protein serine/threonine kinase binding protein kinase binding protein-containing complex binding cargo adaptor activity clathrin adaptor activity protein-macromolecule adaptor activity molecular adaptor activity disordered domain specific binding	protein localization cellular localization establishment of protein localization nitrogen compound transport transport organic substance transport intracellular transport establishment of localization localization protein transport establishment of localization in cell cellular macromolecule localization macromolecule localization cellular process protein localization cellular localization establishment of protein localization nitrogen compound transport transport organic substance transport intracellular transport establishment of localization localization protein transport establishment of localization in cell cellular macromolecule localization macromolecule localization cellular process intracellular protein transport import into cell clathrin-dependent endocytosis receptor-mediated endocytosis endocytosis vesicle-mediated transport	membrane-bounded organelle intracellular organelle intracellular anatomical structure cytoplasmic vesicle organelle intracellular vesicle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle vesicle cell periphery plasma membrane membrane protein-containing complex membrane-bounded organelle intracellular organelle intracellular anatomical structure cytoplasmic vesicle organelle intracellular vesicle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle vesicle cell periphery plasma membrane membrane protein-containing complex vesicle coat membrane protein complex endomembrane system membrane coat 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 coated membrane clathrin-coated endocytic vesicle clathrin coat cytoplasmic vesicle membrane coated vesicle membrane organelle membrane clathrin adaptor complex transport vesicle synapse presynapse synaptic vesicle cell junction secretory vesicle exocytic vesicle
B	AP-2 COMPLEX SUBUNIT BETA	clathrin binding protein binding binding signal sequence binding peptide binding	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 developmental process heart development multicellular organismal process animal organ development ventricular septum development circulatory system development multicellular organism development cardiac septum development cardiac chamber development anatomical structure development cardiac ventricle development system development artery development aorta development vasculature development blood vessel development clathrin-dependent endocytosis receptor-mediated endocytosis receptor internalization postsynaptic neurotransmitter receptor internalization biological regulation 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 organic substance transport intracellular transport protein transport cellular macromolecule localization macromolecule localization intracellular protein transport coronary vasculature development kidney development renal system development	membrane cellular anatomical entity protein-containing complex intracellular anatomical structure membrane protein complex coated membrane clathrin coat membrane coat AP-type membrane coat adaptor complex cytoplasm clathrin adaptor complex endosome membrane membrane-bounded organelle endolysosome membrane membrane cellular anatomical entity protein-containing complex intracellular anatomical structure membrane protein complex coated membrane clathrin coat membrane coat AP-type membrane coat adaptor complex cytoplasm clathrin adaptor complex endosome membrane membrane-bounded organelle endolysosome membrane intracellular vesicle lytic vacuole endomembrane system intracellular organelle bounding membrane of organelle endolysosome vesicle membrane cytoplasmic vesicle vesicle lysosome vacuolar membrane endosome vacuole intracellular membrane-bounded organelle lytic vacuole membrane cytoplasmic vesicle membrane organelle lysosomal membrane organelle membrane clathrin-coated vesicle endocytic vesicle membrane coated vesicle endocytic vesicle clathrin-coated vesicle membrane clathrin-coated endocytic vesicle membrane clathrin-coated endocytic vesicle coated vesicle membrane cytosol cell periphery plasma membrane presynapse synapse cell junction vesicle coat AP-2 adaptor complex clathrin-coated pit clathrin vesicle coat clathrin coat of coated pit clathrin coat of endocytic vesicle plasma membrane protein complex glutamatergic synapse cytoplasmic side of plasma membrane cytoplasmic side of membrane side of membrane postsynapse
C [auth M]	AP-2 COMPLEX SUBUNIT MU,	signal sequence binding binding peptide binding protein binding transmembrane transporter binding lipid binding cargo adaptor activity clathrin adaptor activity protein-macromolecule adaptor activity molecular adaptor activity low-density lipoprotein particle receptor binding signaling receptor binding lipoprotein particle receptor binding disordered domain specific binding signal sequence binding binding peptide binding protein binding transmembrane transporter binding lipid binding cargo adaptor activity clathrin adaptor activity protein-macromolecule adaptor activity molecular adaptor activity low-density lipoprotein particle receptor binding signaling receptor binding lipoprotein particle receptor binding disordered domain specific binding protein domain specific binding	cellular component organization cellular component biogenesis cellular component assembly protein-containing complex organization protein-containing complex assembly cellular process cellular component organization or biogenesis synaptic vesicle endocytosis import into cell cellular localization transport synaptic vesicle cycle establishment of localization vesicle-mediated transport cellular component organization cellular component biogenesis cellular component assembly protein-containing complex organization protein-containing complex assembly cellular process cellular component organization or biogenesis 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 protein localization regulation of localization regulation of cellular process regulation of protein localization negative regulation of biological process negative regulation of protein localization to plasma membrane cellular macromolecule localization negative regulation of cellular process regulation of protein localization to membrane negative regulation of protein localization regulation of biological process protein localization to cell periphery protein localization to plasma membrane biological regulation localization within membrane regulation of protein localization to cell periphery protein localization to membrane negative regulation of protein localization to membrane regulation of cellular localization macromolecule localization negative regulation of protein localization to cell periphery regulation of protein localization to plasma membrane receptor internalization receptor-mediated endocytosis regulation of cellular component organization positive regulation of cellular component organization positive regulation of biological process regulation of receptor internalization positive regulation of endocytosis positive regulation of receptor-mediated endocytosis positive regulation of cellular process regulation of endocytosis regulation of transport regulation of receptor-mediated endocytosis regulation of vesicle-mediated transport positive regulation of receptor internalization positive regulation of transport clathrin-dependent endocytosis postsynaptic neurotransmitter receptor internalization protein-containing complex localization neurotransmitter receptor internalization regulation of postsynaptic membrane neurotransmitter receptor levels postsynaptic endocytosis regulation of biological quality regulation of cellular component size regulation of vesicle size regulation of anatomical structure size membrane organization vesicle budding from membrane vesicle organization organelle organization establishment of protein localization nitrogen compound transport organic substance transport intracellular transport protein transport intracellular protein transport positive regulation of synaptic vesicle recycling regulation of synaptic vesicle recycling regulation of synaptic vesicle endocytosis positive regulation of synaptic vesicle endocytosis	clathrin-coated pit membrane cellular anatomical entity endomembrane system axon synapse neuron projection axon terminus plasma membrane bounded cell projection presynapse cell projection distal axon terminal bouton cell junction clathrin-coated pit membrane cellular anatomical entity endomembrane system axon synapse neuron projection axon terminus plasma membrane bounded cell projection presynapse cell projection distal axon terminal bouton cell junction neuron projection terminus cell periphery plasma membrane membrane-bounded organelle protein-containing complex intracellular anatomical structure vesicle coat intracellular vesicle membrane protein complex intracellular organelle membrane coat bounding membrane of organelle AP-type membrane coat adaptor complex AP-2 adaptor complex cytoplasmic vesicle vesicle membrane clathrin-coated vesicle endocytic vesicle membrane coated vesicle clathrin vesicle coat vesicle 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 intracellular membrane-bounded organelle coated membrane clathrin-coated endocytic vesicle clathrin coat cytoplasmic vesicle membrane coated vesicle membrane organelle cytoplasm organelle membrane clathrin adaptor complex glutamatergic synapse extrinsic component of plasma membrane presynaptic endocytic zone presynaptic membrane extrinsic component of presynaptic endocytic zone membrane synaptic membrane extrinsic component of synaptic membrane presynaptic endocytic zone membrane extrinsic component of presynaptic membrane plasma membrane region extrinsic component of membrane postsynapse
D [auth P]	TGN38 CARGO PEPTIDE	-	-	-
E [auth S]	AP-2 COMPLEX SUBUNIT SIGMA	cargo adaptor activity clathrin adaptor activity protein-macromolecule adaptor activity molecular adaptor activity	protein localization cellular localization establishment of protein localization nitrogen compound transport transport organic substance transport intracellular transport establishment of localization localization protein transport establishment of localization in cell cellular macromolecule localization macromolecule localization cellular process protein localization cellular localization establishment of protein localization nitrogen compound transport transport organic substance transport intracellular transport establishment of localization localization protein transport establishment of localization in cell cellular macromolecule localization macromolecule localization cellular process intracellular protein transport synaptic vesicle endocytosis import into cell synaptic vesicle cycle vesicle-mediated transport presynaptic endocytosis vesicle-mediated transport in synapse synaptic vesicle recycling endocytosis clathrin-dependent endocytosis receptor-mediated endocytosis receptor internalization postsynaptic neurotransmitter receptor internalization biological regulation protein-containing complex localization neurotransmitter receptor internalization regulation of postsynaptic membrane neurotransmitter receptor levels postsynaptic endocytosis regulation of biological quality	synapse cell junction cellular anatomical entity membrane-bounded organelle intracellular organelle intracellular anatomical structure organelle intracellular membrane-bounded organelle protein-containing complex vesicle coat intracellular vesicle membrane protein complex endomembrane system membrane coat synapse cell junction cellular anatomical entity membrane-bounded organelle intracellular organelle intracellular anatomical structure organelle intracellular membrane-bounded organelle protein-containing complex vesicle coat intracellular vesicle membrane protein complex endomembrane system membrane coat cell periphery bounding membrane of organelle AP-type membrane coat adaptor complex AP-2 adaptor complex cytoplasmic vesicle vesicle membrane clathrin-coated pit clathrin-coated vesicle endocytic vesicle membrane coated vesicle clathrin vesicle coat vesicle 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 cytoplasm organelle membrane clathrin adaptor complex cytoplasmic side of plasma membrane cytoplasmic side of membrane side of membrane postsynapse glutamatergic synapse extrinsic component of plasma membrane presynaptic endocytic zone presynaptic membrane extrinsic component of presynaptic endocytic zone membrane synaptic membrane extrinsic component of synaptic membrane presynapse presynaptic endocytic zone membrane extrinsic component of presynaptic membrane plasma membrane region extrinsic component of membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR016024	Armadillo-type fold	Homologous Superfamily
A	IPR002553	Clathrin/coatomer adaptor, adaptin-like, N-terminal	Domain
A	IPR003164	Clathrin adaptor, alpha-adaptin, appendage, C-terminal subdomain	Domain
A	IPR013041	Clathrin adaptor, appendage, Ig-like subdomain superfamily	Homologous Superfamily
A	IPR011989	Armadillo-like helical	Homologous Superfamily
A	IPR008152	Clathrin adaptor, alpha/beta/gamma-adaptin, appendage, Ig-like subdomain	Domain
A	IPR012295	TBP domain superfamily	Homologous Superfamily
A	IPR017104	Adaptor protein complex AP-2, alpha subunit	Family
A	IPR009028	Coatomer/calthrin adaptor appendage, C-terminal subdomain	Homologous Superfamily
B	IPR016024	Armadillo-type fold	Homologous Superfamily
B	IPR013037	Clathrin adaptor, beta-adaptin, appendage, Ig-like subdomain	Homologous Superfamily
B	IPR000225	Armadillo	Repeat
B	IPR026739	AP complex subunit beta	Family
B	IPR011989	Armadillo-like helical	Homologous Superfamily
B	IPR012295	TBP domain superfamily	Homologous Superfamily
B	IPR002553	Clathrin/coatomer adaptor, adaptin-like, N-terminal	Domain
B	IPR015151	Beta-adaptin appendage, C-terminal subdomain	Domain
B	IPR013041	Clathrin adaptor, appendage, Ig-like subdomain superfamily	Homologous Superfamily
B	IPR008152	Clathrin adaptor, alpha/beta/gamma-adaptin, appendage, Ig-like subdomain	Domain
B	IPR009028	Coatomer/calthrin adaptor appendage, C-terminal subdomain	Homologous Superfamily
B	IPR016342	AP-1/2/4 complex subunit beta	Family
C [auth M]	IPR043512	Mu2, C-terminal domain	Domain
C [auth M]	IPR036168	AP-2 complex subunit mu, C-terminal superfamily	Homologous Superfamily
C [auth M]	IPR028565	Mu homology domain	Domain
C [auth M]	IPR018240	Clathrin adaptor, mu subunit, conserved site	Conserved Site
C [auth M]	IPR001392	Clathrin adaptor, mu subunit	Family
C [auth M]	IPR011012	Longin-like domain superfamily	Homologous Superfamily
C [auth M]	IPR043532	AP-2 complex subunit mu, N-terminal	Domain
C [auth M]	IPR022775	AP complex, mu/sigma subunit	Domain
E [auth S]	IPR016635	Adaptor protein complex, sigma subunit	Family
E [auth S]	IPR011012	Longin-like domain superfamily	Homologous Superfamily
E [auth S]	IPR000804	Clathrin adaptor complex, small chain	Conserved Site
E [auth S]	IPR022775	AP complex, mu/sigma subunit	Domain
E [auth S]	IPR027156	AP-2 complex subunit sigma	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
B	Pharos: P63010	breast cancer esophageal adenocarcinoma oligodendroglioma chronic obstructive pulmonary disease head and neck cancer ovarian cancer Depressive Symptoms interstitial lung disease