Annotations: 9FIW

MU2 ADAPTIN SUBUNIT (AP50) OF AP2 ADAPTOR (SECOND DOMAIN), COMPLEXED WITH LRP6 INTERNALIZATION PEPTIDE SYRHFA

External Resource: Annotation

Domain Annotation: SCOP2 Classification
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)
B [auth M]	SCOP2B Superfamily	mu adaptin domain-like	8036010	3000810	SCOP2B (2022-06-29)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B [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
B [auth M]	AP-2 complex subunit mu	signal sequence receptor activity protein binding binding transmembrane transporter binding low-density lipoprotein particle receptor binding signaling receptor binding lipoprotein particle receptor binding cargo adaptor activity protein-macromolecule adaptor activity molecular adaptor activity clathrin-cargo adaptor activity 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 post-Golgi vesicle-mediated transport intracellular transport Golgi to vacuole transport vacuolar transport Golgi vesicle transport regulation of localization regulation of cellular process regulation of protein localization negative regulation of biological process negative regulation of protein localization to plasma membrane negative regulation of cellular process intracellular protein localization 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 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 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 intracellular anatomical structure cytoplasm cytosol cell periphery plasma membrane membrane-bounded organelle protein-containing complex 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 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
A	Low-density lipoprotein receptor-related protein 6	protein binding binding signaling receptor binding molecular transducer activity transmembrane signaling receptor activity signaling receptor activity Wnt receptor activity coreceptor activity toxin transmembrane transporter activity transporter activity transmembrane transporter activity enzyme regulator activity molecular function inhibitor activity molecular function regulator activity protein binding binding signaling receptor binding molecular transducer activity transmembrane signaling receptor activity signaling receptor activity Wnt receptor activity coreceptor activity toxin transmembrane transporter activity transporter activity transmembrane transporter activity enzyme regulator activity molecular function inhibitor activity molecular function regulator activity enzyme inhibitor activity kinase inhibitor activity kinase regulator activity G protein-coupled receptor binding frizzled binding lipoprotein particle receptor activity low-density lipoprotein particle receptor activity cargo receptor activity identical protein binding protein homodimerization activity protein dimerization activity protein kinase inhibitor activity protein kinase regulator activity protein serine/threonine kinase inhibitor activity Wnt-protein binding	regulation of biological process regulation of cellular process biological regulation positive regulation of biological process cellular process cell cycle regulation of cell cycle positive regulation of cell cycle positive regulation of cellular process cellular response to stimulus response to sterol response to stimulus response to lipid response to alcohol regulation of biological process regulation of cellular process biological regulation positive regulation of biological process cellular process cell cycle regulation of cell cycle positive regulation of cell cycle positive regulation of cellular process cellular response to stimulus response to sterol response to stimulus response to lipid response to alcohol response to oxygen-containing compound response to cholesterol cellular response to oxygen-containing compound cellular response to chemical stimulus cellular response to alcohol response to chemical cellular response to lipid cellular response to sterol cellular response to cholesterol positive regulation of cytosolic calcium ion concentration regulation of biological quality developmental process neural crest cell differentiation cellular developmental process animal organ development mesenchyme development tissue development stem cell differentiation cell differentiation anatomical structure development mesenchymal cell differentiation animal gross anatomical part developmental process response to hormone response to endogenous stimulus response to peptide hormone response to nitrogen compound cell surface receptor signaling pathway signaling canonical Wnt signaling pathway cell communication signal transduction Wnt signaling pathway localization protein localization to cell periphery cellular localization protein localization to plasma membrane macromolecule localization intracellular protein localization localization within membrane protein localization to membrane multicellular organismal process chordate embryonic development embryo development neural crest formation epithelial to mesenchymal transition multicellular organism development anatomical structure morphogenesis embryo development ending in birth or egg hatching anatomical structure formation involved in morphogenesis nervous system development system development trans-synaptic signaling synaptic signaling anterograde trans-synaptic signaling cell-cell signaling chemical synaptic transmission positive regulation of DNA-templated transcription RNA metabolic process positive regulation of macromolecule biosynthetic process regulation of primary metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process positive regulation of metabolic process DNA-templated transcription regulation of RNA metabolic process positive regulation of biosynthetic process positive regulation of macromolecule metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process regulation of biosynthetic process primary metabolic process regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process positive regulation of RNA metabolic process regulation of gene expression biosynthetic process positive regulation of RNA biosynthetic process metabolic process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of DNA-templated transcription regulation of metabolic process head development dopaminergic neuron differentiation brain development generation of neurons neurogenesis central nervous system neuron differentiation central nervous system development neuron differentiation midbrain development midbrain dopaminergic neuron differentiation cell adhesion cell-cell adhesion transcription by RNA polymerase II regulation of transcription by RNA polymerase II positive regulation of transcription by RNA polymerase II muscle cell apoptotic process smooth muscle cell apoptotic process negative regulation of programmed cell death regulation of apoptotic process negative regulation of biological process regulation of muscle cell apoptotic process regulation of programmed cell death cell death regulation of smooth muscle cell apoptotic process negative regulation of smooth muscle cell apoptotic process negative regulation of apoptotic process negative regulation of muscle cell apoptotic process negative regulation of cellular process apoptotic process programmed cell death	cell surface cellular anatomical structure cell periphery plasma membrane membrane membrane microdomain membrane raft protein-containing complex Wnt-Frizzled-LRP5/6 complex plasma membrane protein complex membrane protein complex Wnt signalosome membrane-bounded organelle intracellular organelle cell surface cellular anatomical structure cell periphery plasma membrane membrane membrane microdomain membrane raft protein-containing complex Wnt-Frizzled-LRP5/6 complex plasma membrane protein complex membrane protein complex Wnt signalosome membrane-bounded organelle intracellular organelle intracellular anatomical structure cytoplasmic vesicle organelle intracellular vesicle cytoplasm intracellular membrane-bounded organelle vesicle extracellular region endosome membrane early endosome endosome early endosome membrane endomembrane system cytoplasmic vesicle membrane bounding membrane of organelle vesicle membrane organelle membrane synapse cell junction somatodendritic compartment cell body neuronal cell body endoplasmic reticulum

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B [auth M]	IPR043512	Mu2, C-terminal domain	Domain
B [auth M]	IPR050431	Adaptor complexes medium subunit	Family
B [auth M]	IPR036168	AP-2 complex subunit mu, C-terminal superfamily	Homologous Superfamily
B [auth M]	IPR028565	Mu homology domain	Domain
B [auth M]	IPR018240	Clathrin adaptor, mu subunit, conserved site	Conserved Site
B [auth M]	IPR001392	Clathrin adaptor, mu subunit	Family
B [auth M]	IPR011012	Longin-like domain superfamily	Homologous Superfamily
B [auth M]	IPR043532	AP-2 complex subunit mu, N-terminal	Domain
B [auth M]	IPR022775	AP complex, mu/sigma subunit	Domain
A	IPR011042	Six-bladed beta-propeller, TolB-like	Homologous Superfamily
A	IPR002172	Low-density lipoprotein (LDL) receptor class A repeat	Repeat
A	IPR036055	LDL receptor-like superfamily	Homologous Superfamily
A	IPR000742	EGF-like domain	Domain
A	IPR000033	LDLR class B repeat	Repeat
A	IPR017049	Low density lipoprotein receptor-related protein 5/6	Family
A	IPR023415	Low-density lipoprotein (LDL) receptor class A, conserved site	Conserved Site

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	: O75581	coronary artery disease, autosomal dominant 2 tooth agenesis, selective, 7 triple-negative breast carcinoma acute myeloid leukemia atypical teratoid rhabdoid tumor hereditary spastic paraplegia lung cancer Oligodontia Pick disease tooth agenesis adrenal cortex carcinoma malignant ependymoma osteogenesis imperfecta primitive neuroectodermal tumor astrocytic tumor coronary artery disease, autosomal dominant 2 tooth agenesis, selective, 7 triple-negative breast carcinoma acute myeloid leukemia atypical teratoid rhabdoid tumor hereditary spastic paraplegia lung cancer Oligodontia Pick disease tooth agenesis adrenal cortex carcinoma malignant ependymoma osteogenesis imperfecta primitive neuroectodermal tumor astrocytic tumor glioblastoma large cell medulloblastoma medulloblastoma osteosarcoma progressive supranuclear palsy

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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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.