1I31

MU2 ADAPTIN SUBUNIT (AP50) OF AP2 CLATHRIN ADAPTOR, COMPLEXED WITH EGFR INTERNALIZATION PEPTIDE FYRALM AT 2.5 A RESOLUTION

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	d1i31a_	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	Norway 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	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	Adap_comp_sub_2nd	e1i31A2	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	Adap_comp_sub_1st	e1i31A1	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	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	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	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 regulation of protein localization to cell periphery localization within membrane 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	cellular anatomical structure clathrin-coated pit membrane endomembrane system axon synapse neuron projection axon terminus plasma membrane bounded cell projection presynapse cell projection distal axon terminal bouton cell junction cellular anatomical structure clathrin-coated pit membrane 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]	EPIDERMAL GROWTH FACTOR RECEPTOR	cytoskeletal protein binding actin binding protein-containing complex binding protein binding binding actin filament binding protein phosphatase binding phosphatase binding enzyme binding protein tyrosine kinase activity catalytic activity, acting on a protein kinase activity protein kinase activity transferase activity cytoskeletal protein binding actin binding protein-containing complex binding protein binding binding actin filament binding protein phosphatase binding phosphatase binding enzyme binding protein tyrosine kinase activity catalytic activity, acting on a protein kinase activity protein kinase activity transferase activity catalytic activity phosphotransferase activity, alcohol group as acceptor transferase activity, transferring phosphorus-containing groups adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding calmodulin binding ubiquitin protein ligase binding ubiquitin-like protein ligase binding growth factor binding epidermal growth factor binding hormone binding molecular transducer activity transmembrane signaling receptor activity signaling receptor activity signaling receptor binding protein tyrosine kinase activator activity enzyme regulator activity transmembrane receptor protein tyrosine kinase activator activity molecular function activator activity protein kinase regulator activity signaling receptor activator activity kinase activator activity enzyme activator activity molecular function regulator activity signaling receptor regulator activity protein kinase activator activity kinase regulator activity kinase binding protein kinase binding transmembrane receptor protein tyrosine kinase activity transmembrane receptor protein kinase activity identical protein binding epidermal growth factor receptor activity chromatin binding cell adhesion molecule binding integrin binding	developmental process multicellular organismal process gland development animal organ development salivary gland development anatomical structure morphogenesis multicellular organism development gland morphogenesis salivary gland morphogenesis anatomical structure development animal organ morphogenesis exocrine system development system development regulation of biological process developmental process multicellular organismal process gland development animal organ development salivary gland development anatomical structure morphogenesis multicellular organism development gland morphogenesis salivary gland morphogenesis anatomical structure development animal organ morphogenesis exocrine system development system development regulation of biological process regulation of cellular process reactive oxygen species metabolic process biological regulation positive regulation of biological process regulation of superoxide metabolic process positive regulation of reactive oxygen species metabolic process superoxide metabolic process positive regulation of metabolic process superoxide anion generation metabolic process cellular process positive regulation of superoxide anion generation regulation of superoxide anion generation regulation of metabolic process regulation of reactive oxygen species metabolic process positive regulation of cellular process regulation of tube diameter system process regulation of tube size regulation of system process positive regulation of vasoconstriction circulatory system process regulation of blood circulation vascular process in circulatory system regulation of vasoconstriction positive regulation of multicellular organismal process regulation of multicellular organismal process blood vessel diameter maintenance regulation of biological quality vasoconstriction blood circulation regulation of anatomical structure size tongue development sensory organ development positive regulation of protein localization to plasma membrane protein localization regulation of localization cellular localization regulation of protein localization localization cellular macromolecule localization regulation of protein localization to membrane positive regulation of protein localization to cell periphery protein localization to cell periphery protein localization to plasma membrane positive regulation of protein localization to membrane regulation of protein localization to cell periphery localization within membrane protein localization to membrane regulation of cellular localization macromolecule localization positive regulation of protein localization regulation of protein localization to plasma membrane cerebral cortex cell migration head development forebrain development brain development nervous system development pallium development cerebral cortex development telencephalon cell migration central nervous system development forebrain cell migration cell migration telencephalon development cell motility cellular response to stimulus response to stimulus signaling negative regulation of signaling negative regulation of ERBB signaling pathway negative regulation of biological process regulation of signal transduction cell surface receptor protein tyrosine kinase signaling pathway negative regulation of cell communication cell communication regulation of epidermal growth factor receptor signaling pathway negative regulation of cellular process epidermal growth factor receptor signaling pathway signal transduction enzyme-linked receptor protein signaling pathway regulation of signaling regulation of ERBB signaling pathway cell surface receptor signaling pathway negative regulation of response to stimulus negative regulation of signal transduction regulation of response to stimulus negative regulation of epidermal growth factor receptor signaling pathway ERBB signaling pathway regulation of cell communication regulation of cellular response to stress regulation of primary metabolic process positive regulation of response to stimulus nucleobase-containing compound metabolic process positive regulation of DNA repair cellular response to stress response to stress regulation of response to stress positive regulation of macromolecule metabolic process regulation of nucleobase-containing compound metabolic process DNA repair positive regulation of nucleobase-containing compound metabolic process primary metabolic process DNA metabolic process regulation of macromolecule metabolic process nucleic acid metabolic process regulation of DNA repair positive regulation of DNA metabolic process DNA damage response macromolecule metabolic process regulation of DNA metabolic process positive regulation of DNA-templated transcription RNA metabolic process positive regulation of miRNA transcription positive regulation of miRNA metabolic process positive regulation of macromolecule biosynthetic process RNA biosynthetic process DNA-templated transcription nucleic acid biosynthetic process regulation of RNA metabolic process miRNA transcription positive regulation of biosynthetic process regulation of miRNA metabolic process miRNA metabolic process regulation of RNA biosynthetic process regulation of biosynthetic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process positive regulation of RNA metabolic process regulation of gene expression biosynthetic process positive regulation of RNA biosynthetic process regulation of macromolecule biosynthetic process regulation of DNA-templated transcription regulation of miRNA transcription response to nutrient levels response to cobalamin response to chemical response to nutrient response to oxygen-containing compound response to nitrogen compound response to vitamin cellular developmental process astrocyte differentiation cell development astrocyte activation glial cell development neurogenesis astrocyte development gliogenesis cell differentiation defense response cell activation glial cell differentiation glial cell activation inflammatory response neuroinflammatory response cell morphogenesis cell population proliferation regulation of smooth muscle cell proliferation positive regulation of cell population proliferation smooth muscle cell proliferation positive regulation of smooth muscle cell proliferation regulation of cell population proliferation muscle cell proliferation digestive system development tube development digestive tract development tube morphogenesis digestive tract morphogenesis positive regulation of cell communication establishment of protein localization nitrogen compound transport positive regulation of establishment of protein localization regulation of peptide hormone secretion positive regulation of prolactin secretion regulation of hormone levels positive regulation of peptide hormone secretion establishment of protein localization to extracellular region protein secretion establishment of localization regulation of secretion regulation of protein secretion regulation of hormone secretion regulation of peptide secretion transport positive regulation of secretion by cell hormone secretion protein localization to extracellular region positive regulation of protein transport peptide secretion secretion by cell regulation of secretion by cell positive regulation of hormone secretion positive regulation of secretion amide transport signal release positive regulation of peptide secretion secretion regulation of transport regulation of peptide transport regulation of establishment of protein localization prolactin secretion cell-cell signaling export from cell regulation of protein transport positive regulation of protein secretion peptide transport positive regulation of transport protein transport peptide hormone secretion hormone transport positive regulation of signaling cellular response to chemical stimulus cellular response to xenobiotic stimulus response to xenobiotic stimulus ERBB2 signaling pathway ERBB2-EGFR signaling pathway ovulation cycle rhythmic process reproductive process multicellular organismal reproductive process regulation of growth regulation of cellular component organization growth positive regulation of cell growth regulation of cell growth cell growth cellular component organization positive regulation of growth cellular component organization or biogenesis circadian rhythm hydrogen peroxide metabolic process positive regulation of signal transduction intracellular signal transduction positive regulation of ERK1 and ERK2 cascade regulation of intracellular signal transduction intracellular signaling cassette positive regulation of MAPK cascade positive regulation of intracellular signal transduction regulation of MAPK cascade MAPK cascade ERK1 and ERK2 cascade regulation of ERK1 and ERK2 cascade modulation of chemical synaptic transmission synaptic transmission, glutamatergic regulation of synaptic transmission, glutamatergic synaptic signaling trans-synaptic signaling positive regulation of synaptic transmission positive regulation of synaptic transmission, glutamatergic chemical synaptic transmission regulation of trans-synaptic signaling anterograde trans-synaptic signaling negative regulation of programmed cell death regulation of apoptotic process regulation of programmed cell death cell death negative regulation of apoptotic process apoptotic process programmed cell death epidermis development tissue development epithelium development molting cycle process hair cycle skin development skin epidermis development hair follicle development molting cycle hair cycle process morphogenesis of an epithelial fold tissue morphogenesis morphogenesis of an epithelium animal organ regeneration liver development regeneration hepaticobiliary system development liver regeneration placenta development chordate embryonic development embryo development in utero embryonic development embryonic placenta development embryo development ending in birth or egg hatching embryonic organ development epithelial cell proliferation response to mechanical stimulus response to external stimulus response to abiotic stimulus cellular response to mechanical stimulus cellular response to abiotic stimulus cellular response to external stimulus cellular response to environmental stimulus cellular response to endogenous stimulus cellular response to growth factor stimulus response to endogenous stimulus response to growth factor positive regulation of locomotion regulation of cell motility positive regulation of cell migration regulation of locomotion positive regulation of cell motility regulation of cell migration locomotion regulation of body fluid levels secretion by tissue regulation of mucus secretion mucus secretion body fluid secretion positive regulation of mucus secretion response to lipid cellular response to oxygen-containing compound cellular response to lipid response to estradiol cellular response to estradiol stimulus positive regulation of phosphorylation positive regulation of phosphorus metabolic process phosphorylation positive regulation of phosphate metabolic process regulation of phosphate metabolic process phosphate-containing compound metabolic process regulation of phosphorus metabolic process regulation of phosphorylation phosphorus metabolic process regulation of canonical Wnt signaling pathway canonical Wnt signaling pathway positive regulation of Wnt signaling pathway Wnt signaling pathway positive regulation of canonical Wnt signaling pathway regulation of Wnt signaling pathway eyelid development in camera-type eye eye development visual system development camera-type eye development sensory system development positive regulation of nervous system development regulation of developmental process regulation of neurogenesis regulation of cell differentiation regulation of gliogenesis positive regulation of glial cell proliferation positive regulation of gliogenesis regulation of cell development regulation of nervous system development positive regulation of developmental process regulation of glial cell proliferation positive regulation of cell differentiation positive regulation of neurogenesis regulation of multicellular organismal development positive regulation of cell development glial cell proliferation response to oxidative stress midgut development response to metal ion response to calcium ion positive regulation of DNA replication DNA replication regulation of DNA replication response to ketone response to hormone response to steroid hormone cellular response to ketone cellular response to steroid hormone stimulus cellular response to hormone stimulus cellular response to dexamethasone stimulus response to glucocorticoid cellular response to glucocorticoid stimulus cellular response to corticosteroid stimulus response to corticosteroid response to dexamethasone regulation of cell cycle phase transition cell cycle phase transition regulation of cell cycle G1/S phase transition cell cycle G1/S phase transition mitotic cell cycle regulation of mitotic cell cycle positive regulation of mitotic cell cycle phase transition positive regulation of cell cycle process positive regulation of mitotic cell cycle cell cycle regulation of cell cycle cell cycle process positive regulation of G1/S transition of mitotic cell cycle regulation of cell cycle process positive regulation of cell cycle regulation of mitotic cell cycle phase transition positive regulation of cell cycle G1/S phase transition mitotic cell cycle process regulation of G1/S transition of mitotic cell cycle positive regulation of cell cycle phase transition G1/S transition of mitotic cell cycle mitotic cell cycle phase transition response to light stimulus response to radiation response to UV response to UV-A cellular response to acid chemical cellular response to amino acid stimulus response to acid chemical response to amino acid homeostatic process regulation of bone remodeling tissue homeostasis regulation of tissue remodeling regulation of bone resorption bone resorption multicellular organismal-level homeostasis tissue remodeling bone remodeling anatomical structure homeostasis positive regulation of bone resorption catabolic process macromolecule catabolic process negative regulation of protein catabolic process protein metabolic process negative regulation of protein metabolic process negative regulation of macromolecule metabolic process negative regulation of catabolic process regulation of protein metabolic process negative regulation of metabolic process protein catabolic process regulation of catabolic process regulation of protein catabolic process transcription by RNA polymerase II regulation of transcription by RNA polymerase II positive regulation of transcription by RNA polymerase II response to phenylpropanoid response to hydroxyisoflavone import into cell receptor-mediated endocytosis endocytosis vesicle-mediated transport translation negative regulation of cell differentiation negative regulation of cardiocyte differentiation heart development negative regulation of developmental process cardiocyte differentiation circulatory system development regulation of cardiocyte differentiation negative regulation of multicellular organismal process fibroblast proliferation regulation of fibroblast proliferation positive regulation of fibroblast proliferation respiratory tube development lung development respiratory system development positive regulation of epithelial cell proliferation regulation of epithelial cell proliferation 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 diterpenoid metabolic process terpenoid metabolic process isoprenoid metabolic process lipid metabolic process cell projection organization plasma membrane bounded cell projection morphogenesis neuron projection development cell projection morphogenesis neuron differentiation neuron projection morphogenesis plasma membrane bounded cell projection organization generation of neurons neuron development vasodilation cell adhesion cell-cell adhesion negative regulation of cell cycle negative regulation of mitotic cell cycle	protein-containing complex receptor complex endosome membrane membrane-bounded organelle intracellular anatomical structure membrane endosome intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle cytoplasmic vesicle membrane cellular anatomical structure bounding membrane of organelle protein-containing complex receptor complex endosome membrane membrane-bounded organelle intracellular anatomical structure membrane endosome intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle cytoplasmic vesicle membrane cellular anatomical structure bounding membrane of organelle vesicle membrane cytoplasmic vesicle organelle cytoplasm vesicle organelle membrane cell periphery plasma membrane synapse cell junction plasma membrane region synaptic membrane apical part of cell apical plasma membrane ruffle cell leading edge leading edge membrane plasma membrane bounded cell projection cell projection ruffle membrane cell projection membrane basal part of cell basal plasma membrane cell surface membrane microdomain membrane raft basolateral plasma membrane endocytic vesicle glutamatergic synapse perinuclear region of cytoplasm multivesicular body, internal vesicle vesicle lumen multivesicular body, internal vesicle lumen membrane-enclosed lumen intracellular organelle lumen organelle lumen late endosome multivesicular body early endosome early endosome membrane nucleus

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR043512	Mu2, C-terminal domain	Domain
A	IPR050431	Adaptor complexes medium subunit	Family
A	IPR036168	AP-2 complex subunit mu, C-terminal superfamily	Homologous Superfamily
A	IPR028565	Mu homology domain	Domain
A	IPR018240	Clathrin adaptor, mu subunit, conserved site	Conserved Site
A	IPR001392	Clathrin adaptor, mu subunit	Family
A	IPR011012	Longin-like domain superfamily	Homologous Superfamily
A	IPR043532	AP-2 complex subunit mu, N-terminal	Domain
A	IPR022775	AP complex, mu/sigma subunit	Domain
B [auth P]	IPR020635	Tyrosine-protein kinase, catalytic domain	Domain
B [auth P]	IPR000719	Protein kinase domain	Domain
B [auth P]	IPR001245	Serine-threonine/tyrosine-protein kinase, catalytic domain	Domain
B [auth P]	IPR011009	Protein kinase-like domain superfamily	Homologous Superfamily
B [auth P]	IPR050122	Receptor Tyrosine Kinase	Family

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.