4XXI | pdb_00004xxi

Crystal structure of the Bilin-binding domain of phycobilisome core-membrane linker ApcE

External Resource: Annotation

Domain Annotation: SCOP/SCOPe 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)
B	d4xxib_	All alpha proteins	Globin-like	Globin-like	automated matches	automated matches	(Nostoc sp. PCC 7120 = FACHB-418 ) [TaxId: 103690 ],	SCOPe (2.08)
A	d4xxia_	All alpha proteins	Globin-like	Globin-like	automated matches	automated matches	(Nostoc sp. PCC 7120 = FACHB-418 ) [TaxId: 103690 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	Phycobilisome	e4xxiB1	A: alpha arrays	X: Globin-like (From Topology)	H: Globin-like (From Topology)	T: Globin-like	F: Phycobilisome	ECOD (1.6)
A	Phycobilisome	e4xxiA1	A: alpha arrays	X: Globin-like (From Topology)	H: Globin-like (From Topology)	T: Globin-like	F: Phycobilisome	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	1.10.490.20	Mainly Alpha	Orthogonal Bundle	Globin-like	Phycocyanins	CATH (4.3.0)
A	1.10.490.20	Mainly Alpha	Orthogonal Bundle	Globin-like	Phycocyanins	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00502	Phycobilisome protein (Phycobilisome)	Phycobilisome protein		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Phycobiliprotein ApcE	lyase activity catalytic activity	photosynthesis metabolic process cellular process	intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane intracellular membraneless organelle plasma membrane-derived chromatophore thylakoid membrane intracellular organelle cell periphery cellular anatomical structure plasma membrane-derived thylakoid membrane organelle membraneless organelle plasma membrane region intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane intracellular membraneless organelle plasma membrane-derived chromatophore thylakoid membrane intracellular organelle cell periphery cellular anatomical structure plasma membrane-derived thylakoid membrane organelle membraneless organelle plasma membrane region bacterial thylakoid cytoplasm photosynthetic membrane thylakoid protein-containing complex membrane protein complex light-harvesting complex phycobilisome

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR038719	Phycobilisome, alpha/beta subunit superfamily	Homologous Superfamily
A, B	IPR001297	Phycobilisome linker domain	Domain
A, B	IPR009050	Globin-like superfamily	Homologous Superfamily
A, B	IPR038255	Phycobilisome linker domain superfamily	Homologous Superfamily
A, B	IPR012128	Phycobilisome, alpha/beta 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.