2BP5

MU2 ADAPTIN SUBUNIT (AP50) OF AP2 ADAPTOR (SECOND DOMAIN), COMPLEXED WITH NON-CANONICAL INTERNALIZATION PEPTIDE VEDYEQGLSG

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 [auth M]	d2bp5m1	All beta proteins	Common fold of diphtheria toxin/transcription factors/cytochrome f	Second domain of Mu2 adaptin subunit (ap50) of ap2 adaptor	Second domain of Mu2 adaptin subunit (ap50) of ap2 adaptor	Second domain of Mu2 adaptin subunit (ap50) of ap2 adaptor	RAT (Rattus norvegicus ) [TaxId: 10116 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A [auth M]	SCOP2B Superfamily	mu adaptin domain-like	8036010	3000810	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 [auth M]	Adap_comp_sub_2nd	e2bp5M2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Common fold of diphtheria toxin/transcription factors/cytochrome f	F: Adap_comp_sub_2nd	ECOD (1.6)
A [auth M]	Adap_comp_sub_1st	e2bp5M1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Common fold of diphtheria toxin/transcription factors/cytochrome f	F: Adap_comp_sub_1st	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A [auth M]	2.60.40.1170	Mainly Beta	Sandwich	Immunoglobulin-like	Mu homology domain, subdomain B	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth M]	PF00928	Adaptor complexes medium subunit family (Adap_comp_sub)	Adaptor complexes medium subunit family	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth M]	CLATHRIN COAT ASSEMBLY PROTEIN AP50	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 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 transport vesicle synaptic vesicle secretory vesicle exocytic vesicle
B [auth P]	P2X PURINOCEPTOR 4	calcium channel activity monoatomic cation transmembrane transporter activity gated channel activity monoatomic ion channel activity ligand-gated channel activity ligand-gated monoatomic ion channel activity monoatomic cation channel activity passive transmembrane transporter activity calcium ion transmembrane transporter activity inorganic molecular entity transmembrane transporter activity ligand-gated calcium channel activity channel activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity calcium channel activity monoatomic cation transmembrane transporter activity gated channel activity monoatomic ion channel activity ligand-gated channel activity ligand-gated monoatomic ion channel activity monoatomic cation channel activity passive transmembrane transporter activity calcium ion transmembrane transporter activity inorganic molecular entity transmembrane transporter activity ligand-gated calcium channel activity channel activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity metal ion transmembrane transporter activity ligand-gated monoatomic cation channel activity transmembrane transporter activity cation binding transition metal ion binding copper ion binding ion binding binding metal ion binding small molecule binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding molecular transducer activity transmembrane signaling receptor activity signaling receptor activity purinergic nucleotide receptor activity nucleotide receptor activity cell adhesion molecule binding cadherin binding protein binding identical protein binding ATP-gated ion channel activity signaling receptor binding extracellularly ATP-gated monoatomic cation channel activity excitatory extracellular ligand-gated monoatomic ion channel activity extracellular ligand-gated monoatomic ion channel activity zinc ion binding	response to stimulus response to stress response to wounding response to axon injury cellular response to stimulus positive regulation of cell communication regulation of cellular process positive regulation of signal transduction signaling positive regulation of biological process regulation of signal transduction intracellular signal transduction cell communication positive regulation of response to stimulus response to stimulus response to stress response to wounding response to axon injury cellular response to stimulus positive regulation of cell communication regulation of cellular process positive regulation of signal transduction signaling positive regulation of biological process regulation of signal transduction intracellular signal transduction cell communication positive regulation of response to stimulus regulation of intracellular signal transduction intracellular signaling cassette regulation of calcium-mediated signaling positive regulation of calcium-mediated signaling signal transduction positive regulation of cellular process regulation of biological process regulation of signaling biological regulation positive regulation of intracellular signal transduction regulation of response to stimulus calcium-mediated signaling regulation of cell communication cellular process positive regulation of signaling multicellular organismal process system process circulatory system process regulation of blood pressure regulation of biological quality blood circulation positive regulation of locomotion regulation of cell motility cellular developmental process regulation of microglial cell migration glial cell migration macrophage migration regulation of glial cell migration positive regulation of cell migration neurogenesis multicellular organism development regulation of macrophage migration gliogenesis cell differentiation positive regulation of cell motility regulation of cell migration myeloid leukocyte migration positive regulation of mononuclear cell migration anatomical structure development positive regulation of microglial cell migration cell migration regulation of immune system process regulation of mononuclear cell migration cell motility positive regulation of immune system process locomotion system development developmental process positive regulation of macrophage migration regulation of leukocyte migration microglial cell migration positive regulation of leukocyte migration nervous system development leukocyte migration positive regulation of glial cell migration immune system process regulation of locomotion mononuclear cell migration response to ischemia behavior multicellular organismal response to stress response to pain behavioral response to pain transport monoatomic ion transmembrane transport inorganic ion transmembrane transport establishment of localization calcium ion transport metal ion transport inorganic cation transmembrane transport transmembrane transport monoatomic cation transmembrane transport localization monoatomic ion transport monoatomic cation transport calcium ion transmembrane transport regulation of localization regulation of calcium ion transport positive regulation of cation transmembrane transport positive regulation of calcium ion transport cellular localization regulation of calcium ion transport into cytosol regulation of monoatomic ion transmembrane transport regulation of calcium ion transmembrane transport positive regulation of monoatomic ion transport positive regulation of calcium ion transmembrane transport positive regulation of transmembrane transport positive regulation of monoatomic ion transmembrane transport regulation of metal ion transport calcium ion transmembrane import into cytosol regulation of transport regulation of monoatomic ion transport positive regulation of cytosolic calcium ion concentration positive regulation of calcium ion transport into cytosol regulation of transmembrane transport positive regulation of transport regulation of cellular localization regulation of monoatomic cation transmembrane transport calcium ion transport into cytosol cellular response to nitrogen compound cellular response to ATP response to organophosphorus cellular response to organic cyclic compound response to oxygen-containing compound response to nitrogen compound response to ATP response to purine-containing compound cellular response to oxygen-containing compound cellular response to chemical stimulus response to chemical response to organic cyclic compound muscle hypertrophy regulation of muscle adaptation negative regulation of muscle hypertrophy regulation of system process negative regulation of biological process striated muscle hypertrophy regulation of muscle system process muscle system process regulation of muscle hypertrophy regulation of cardiac muscle hypertrophy muscle adaptation cardiac muscle hypertrophy regulation of multicellular organismal process negative regulation of multicellular organismal process negative regulation of cardiac muscle hypertrophy purinergic nucleotide receptor signaling pathway cell surface receptor signaling pathway response to fluid shear stress relaxation of cardiac muscle relaxation of muscle chemotaxis regulation of response to external stimulus response to external stimulus regulation of chemotaxis taxis regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction positive regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction phosphatidylinositol 3-kinase/protein kinase B signal transduction heart process regulation of heart contraction regulation of cardiac muscle contraction cardiac muscle contraction muscle contraction striated muscle contraction regulation of blood circulation regulation of striated muscle contraction regulation of muscle contraction heart contraction nervous system process action potential transmission of nerve impulse neuronal action potential regulation of membrane potential regulation of tube diameter regulation of tube size vascular process in circulatory system blood vessel diameter maintenance vasodilation regulation of anatomical structure size regulation of postsynaptic membrane potential chemical synaptic transmission, postsynaptic synaptic signaling trans-synaptic signaling cell-cell signaling chemical synaptic transmission anterograde trans-synaptic signaling excitatory postsynaptic potential sensory perception sensory perception of touch sensory perception of mechanical stimulus endothelial cell migration positive regulation of chemotaxis positive regulation of response to external stimulus positive regulation of endothelial cell chemotaxis regulation of endothelial cell migration endothelial cell chemotaxis cell chemotaxis regulation of endothelial cell chemotaxis positive regulation of endothelial cell migration regulation of blood vessel endothelial cell migration positive regulation of blood vessel endothelial cell migration blood vessel endothelial cell migration cellular response to metal ion response to metal ion response to zinc ion cellular response to zinc ion cell death apoptotic signaling pathway apoptotic process programmed cell death membrane depolarization sensory perception of pain regulation of sodium ion transport sodium ion transport nitric oxide metabolic process nitric oxide biosynthetic process biosynthetic process metabolic process reactive nitrogen species metabolic process	postsynaptic specialization membrane postsynaptic specialization synapse membrane plasma membrane cellular anatomical entity postsynaptic density membrane synaptic membrane cell periphery postsynaptic density postsynapse neuron to neuron synapse organelle cell junction postsynaptic specialization membrane postsynaptic specialization synapse membrane plasma membrane cellular anatomical entity postsynaptic density membrane synaptic membrane cell periphery postsynaptic density postsynapse neuron to neuron synapse organelle cell junction postsynaptic membrane asymmetric synapse plasma membrane region apical part of cell parallel fiber to Purkinje cell synapse excitatory synapse somatodendritic compartment cell projection dendrite dendritic tree neuron projection plasma membrane bounded cell projection glutamatergic synapse vacuolar membrane membrane-bounded organelle intracellular anatomical structure lytic vacuole vacuole intracellular membrane-bounded organelle intracellular organelle lytic vacuole membrane bounding membrane of organelle lysosomal membrane cytoplasm organelle membrane lysosome neuron spine dendritic spine perinuclear region of cytoplasm cell body neuronal cell body axon axon terminus presynapse distal axon terminal bouton neuron projection terminus

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth M]	IPR043512	Mu2, C-terminal domain	Domain
A [auth M]	IPR050431	Adaptor complexes medium subunit	Family
A [auth M]	IPR036168	AP-2 complex subunit mu, C-terminal superfamily	Homologous Superfamily
A [auth M]	IPR028565	Mu homology domain	Domain
A [auth M]	IPR018240	Clathrin adaptor, mu subunit, conserved site	Conserved Site
A [auth M]	IPR001392	Clathrin adaptor, mu subunit	Family
A [auth M]	IPR011012	Longin-like domain superfamily	Homologous Superfamily
A [auth M]	IPR043532	AP-2 complex subunit mu, N-terminal	Domain
A [auth M]	IPR022775	AP complex, mu/sigma subunit	Domain
B [auth P]	IPR003047	P2X4 purinoceptor	Family
B [auth P]	IPR001429	P2X purinoreceptor	Family
B [auth P]	IPR027309	P2X purinoreceptor extracellular domain superfamily	Homologous Superfamily
B [auth P]	IPR053792	ATP P2X receptor, conserved site	Conserved Site

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.