4IKN | pdb_00004ikn

Crystal structure of adaptor protein complex 3 (AP-3) mu3A subunit C-terminal domain, in complex with a sorting peptide from TGN38

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

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	e4iknA4	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	e4iknA3	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
B	Trans-Golgi network integral membrane protein TGN38	-	cellular localization Golgi to endosome transport post-Golgi vesicle-mediated transport transport intracellular transport establishment of localization vesicle-mediated transport localization cytosolic transport establishment of localization in cell cellular process Golgi vesicle transport	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol membrane-bounded organelle transport vesicle intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle trans-Golgi network transport vesicle cytoplasmic vesicle organelle clathrin-coated vesicle cellular anatomical structure intracellular anatomical structure cytoplasm cytosol membrane-bounded organelle transport vesicle intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle trans-Golgi network transport vesicle cytoplasmic vesicle organelle clathrin-coated vesicle coated vesicle Golgi-associated vesicle vesicle membrane Golgi apparatus synapse postsynapse cell junction postsynaptic Golgi apparatus Golgi apparatus subcompartment organelle subcompartment trans-Golgi network endosome glutamatergic synapse
A	AP-3 complex subunit mu-1	small GTPase binding protein binding binding enzyme binding GTPase binding	cellular localization establishment of protein localization nitrogen compound transport transport intracellular transport establishment of localization localization protein transport establishment of localization in cell macromolecule localization cellular process intracellular protein localization intracellular protein transport anterograde axonal transport cellular localization establishment of protein localization nitrogen compound transport transport intracellular transport establishment of localization localization protein transport establishment of localization in cell macromolecule localization cellular process intracellular protein localization intracellular protein transport anterograde axonal transport axonal transport axo-dendritic transport microtubule-based transport transport along microtubule cytoskeleton-dependent intracellular transport microtubule-based movement microtubule-based process import into cell endocytosis vesicle-mediated transport establishment of organelle localization vesicle cytoskeletal trafficking organelle transport along microtubule vesicle transport along microtubule organelle localization synaptic vesicle localization vesicle localization establishment of vesicle localization anterograde synaptic vesicle transport synaptic vesicle cytoskeletal transport synaptic vesicle transport along microtubule synaptic vesicle transport receptor internalization postsynaptic neurotransmitter receptor internalization biological regulation vesicle-mediated transport in synapse neurotransmitter receptor internalization regulation of postsynaptic membrane neurotransmitter receptor levels postsynaptic endocytosis regulation of biological quality receptor-mediated endocytosis	membrane-bounded organelle intracellular anatomical structure membrane intracellular vesicle intracellular membrane-bounded organelle intracellular organelle cytoplasmic vesicle membrane cellular anatomical structure vesicle membrane cytoplasmic vesicle organelle cytoplasm vesicle organelle membrane membrane-bounded organelle intracellular anatomical structure membrane intracellular vesicle intracellular membrane-bounded organelle intracellular organelle cytoplasmic vesicle membrane cellular anatomical structure vesicle membrane cytoplasmic vesicle organelle cytoplasm vesicle organelle membrane endosome synapse postsynaptic recycling endosome recycling endosome postsynaptic endosome endomembrane system postsynapse cell junction protein-containing complex membrane protein complex coated membrane clathrin coat membrane coat AP-type membrane coat adaptor complex clathrin adaptor complex Golgi apparatus neuron projection cytoplasm axon axon cytoplasm neuron projection cytoplasmic region plasma membrane bounded cell projection cytoplasm plasma membrane bounded cell projection cell projection

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR050431	Adaptor complexes medium subunit	Family
A	IPR011012	Longin-like domain superfamily	Homologous Superfamily
A	IPR022775	AP complex, mu/sigma subunit	Domain
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

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.