2X9I | pdb_00002x9i

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
D	SCOP2B Superfamily	Coproporphyrinogen III oxidase	8053220	3001418	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Coproporphyrinogen III oxidase	8053220	3001418	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Coproporphyrinogen III oxidase	8053220	3001418	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Coproporphyrinogen III oxidase	8053220	3001418	SCOP2B (2022-06-29)

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D	FAD_binding_4	e2x9iD1	A: alpha bundles	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: FAD_binding_4	ECOD (develop294)
C	FAD_binding_4	e2x9iC1	A: alpha bundles	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: FAD_binding_4	ECOD (develop294)
B	FAD_binding_4	e2x9iB1	A: alpha bundles	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: FAD_binding_4	ECOD (develop294)
A	tRNA_int_endo	e2x9iA1	A: alpha bundles	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: tRNA_int_endo	ECOD (develop294)

Chain	Domain	Class	Architecture	Topology	Provenance Source (Version)
D	3.40.1500.20	Alpha Beta	3-Layer(aba) Sandwich	oxygen-dependent coproporphyrinogen oxidase	CATH (4.3.0)
C	3.40.1500.20	Alpha Beta	3-Layer(aba) Sandwich	oxygen-dependent coproporphyrinogen oxidase	CATH (4.3.0)
B	3.40.1500.20	Alpha Beta	3-Layer(aba) Sandwich	oxygen-dependent coproporphyrinogen oxidase	CATH (4.3.0)
A	3.40.1500.20	Alpha Beta	3-Layer(aba) Sandwich	oxygen-dependent coproporphyrinogen oxidase	CATH (4.3.0)

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF05996	Ferredoxin-dependent bilin reductase (Fe_bilin_red)	Ferredoxin-dependent bilin reductase	-	Family

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	PHYCOBILIN SYNTHASE	cation binding transition metal ion binding ion binding binding metal ion binding cobalt ion binding small molecule binding oxidoreductase activity, acting on the CH-CH group of donors, iron-sulfur protein as acceptor oxidoreductase activity oxidoreductase activity, acting on the CH-CH group of donors catalytic activity	phytochromobilin biosynthetic process tetrapyrrole metabolic process oxoacid metabolic process small molecule biosynthetic process dicarboxylic acid metabolic process carboxylic acid metabolic process organic acid metabolic process organic acid biosynthetic process carboxylic acid biosynthetic process tetrapyrrole biosynthetic process biosynthetic process small molecule metabolic process metabolic process cellular process phytochromobilin biosynthetic process tetrapyrrole metabolic process oxoacid metabolic process small molecule biosynthetic process dicarboxylic acid metabolic process carboxylic acid metabolic process organic acid metabolic process organic acid biosynthetic process carboxylic acid biosynthetic process tetrapyrrole biosynthetic process biosynthetic process small molecule metabolic process metabolic process cellular process dicarboxylic acid biosynthetic process	-

Chains	Accession	Name	Type
A, B, C, D	IPR009249	Ferredoxin-dependent bilin reductase	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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.

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