Annotations: 5MU7

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2 Family	Clathrin coat assembly domain	8082712	4002754	SCOP2 (2022-06-29)
B	SCOP2 Superfamily	SNARE-like	8082713	3001113	SCOP2 (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	e5mu7A1	A: alpha superhelices	X: Repetitive alpha hairpins	H: ARM repeat (From Topology)	T: ARM repeat	F: PF01602	ECOD (1.6)
B	PF01217	e5mu7B1	A: a+b three layers	X: Profilin-like	H: profilin-like (From Topology)	T: profilin-like	F: PF01217	ECOD (1.6)

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	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	Coatomer subunit beta	structural molecule activity	localization transport cellular process establishment of localization vesicle-mediated transport protein localization cellular localization establishment of protein localization nitrogen compound transport organic substance transport intracellular transport protein transport establishment of localization in cell cellular macromolecule localization localization transport cellular process establishment of localization vesicle-mediated transport protein localization cellular localization establishment of protein localization nitrogen compound transport organic substance transport intracellular transport protein transport establishment of localization in cell cellular macromolecule localization macromolecule localization intracellular protein transport	membrane-bounded organelle protein-containing complex intracellular anatomical structure vesicle coat intracellular vesicle membrane protein complex endomembrane system COPI-coated vesicle membrane coat intracellular organelle bounding membrane of organelle vesicle membrane cytoplasmic vesicle coated vesicle membrane-bounded organelle protein-containing complex intracellular anatomical structure vesicle coat intracellular vesicle membrane protein complex endomembrane system COPI-coated vesicle membrane coat intracellular organelle bounding membrane of organelle vesicle membrane cytoplasmic vesicle coated vesicle Golgi-associated vesicle vesicle COPI vesicle coat Golgi apparatus membrane cellular anatomical entity coated membrane intracellular membrane-bounded organelle COPI-coated vesicle membrane coated vesicle membrane cytoplasmic vesicle membrane organelle Golgi-associated vesicle membrane cytoplasm organelle membrane Golgi membrane
B	Coatomer subunit delta-like protein	-	localization transport retrograde vesicle-mediated transport, Golgi to endoplasmic reticulum cellular process establishment of localization Golgi vesicle transport vesicle-mediated transport protein localization establishment of protein localization cellular localization nitrogen compound transport organic substance transport protein transport cellular macromolecule localization localization transport retrograde vesicle-mediated transport, Golgi to endoplasmic reticulum cellular process establishment of localization Golgi vesicle transport vesicle-mediated transport protein localization establishment of protein localization cellular localization nitrogen compound transport organic substance transport protein transport cellular macromolecule localization macromolecule localization	membrane-bounded organelle protein-containing complex intracellular anatomical structure vesicle coat intracellular vesicle membrane protein complex endomembrane system COPI-coated vesicle membrane coat intracellular organelle bounding membrane of organelle vesicle membrane cytoplasmic vesicle coated vesicle membrane-bounded organelle protein-containing complex intracellular anatomical structure vesicle coat intracellular vesicle membrane protein complex endomembrane system COPI-coated vesicle membrane coat intracellular organelle bounding membrane of organelle vesicle membrane cytoplasmic vesicle coated vesicle Golgi-associated vesicle vesicle COPI vesicle coat Golgi apparatus membrane cellular anatomical entity coated membrane intracellular membrane-bounded organelle COPI-coated vesicle membrane coated vesicle membrane cytoplasmic vesicle membrane organelle Golgi-associated vesicle membrane cytoplasm organelle membrane Golgi membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR016460	Coatomer beta subunit (COPB1)	Family
A	IPR011989	Armadillo-like helical	Homologous Superfamily
A	IPR016024	Armadillo-type fold	Homologous Superfamily
A	IPR002553	Clathrin/coatomer adaptor, adaptin-like, N-terminal	Domain
A	IPR011710	Coatomer beta subunit, C-terminal	Domain
A	IPR029446	Coatomer beta subunit, appendage platform domain	Domain
B	IPR027059	Coatomer delta subunit	Family
B	IPR022775	AP complex, mu/sigma subunit	Domain
B	IPR036168	AP-2 complex subunit mu, C-terminal superfamily	Homologous Superfamily
B	IPR028565	Mu homology domain	Domain
B	IPR011012	Longin-like domain superfamily	Homologous Superfamily

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 R01GM133198.