6UYK

Dark-operative protochlorophyllide oxidoreductase in the nucleotide-free form.

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
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)
C	d6uykc_	Alpha and beta proteins (a/b)	P-loop containing nucleoside triphosphate hydrolases	P-loop containing nucleoside triphosphate hydrolases	automated matches	automated matches	(Cereibacter sphaeroides ) [TaxId: 1063 ],	SCOPe (2.08)
A	d6uyka_	Alpha and beta proteins (a/b)	P-loop containing nucleoside triphosphate hydrolases	P-loop containing nucleoside triphosphate hydrolases	automated matches	automated matches	(Cereibacter sphaeroides ) [TaxId: 1063 ],	SCOPe (2.08)
B	d6uykb_	Alpha and beta proteins (a/b)	P-loop containing nucleoside triphosphate hydrolases	P-loop containing nucleoside triphosphate hydrolases	automated matches	automated matches	(Cereibacter sphaeroides ) [TaxId: 1063 ],	SCOPe (2.08)
D	d6uykd_	Alpha and beta proteins (a/b)	P-loop containing nucleoside triphosphate hydrolases	P-loop containing nucleoside triphosphate hydrolases	automated matches	automated matches	(Cereibacter sphaeroides ) [TaxId: 1063 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
C	SCOP2B Superfamily	Simibi-like P-loop NTPases	8058189	3002018	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Simibi-like P-loop NTPases	8058189	3002018	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Simibi-like P-loop NTPases	8058189	3002018	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Simibi-like P-loop NTPases	8058189	3002018	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C	PF00142	e6uykC1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: PF00142	ECOD (1.6)
A	PF00142	e6uykA1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: PF00142	ECOD (1.6)
B	PF00142	e6uykB1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: PF00142	ECOD (1.6)
D	PF00142	e6uykD1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: PF00142	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF00142	4Fe-4S iron sulfur cluster binding proteins, NifH/frxC family (Fer4_NifH)	4Fe-4S iron sulfur cluster binding proteins, NifH/frxC family	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Light-independent protochlorophyllide reductase iron-sulfur ATP-binding protein	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding oxidoreductase activity oxidoreductase activity, acting on iron-sulfur proteins as donors catalytic activity iron-sulfur cluster binding 4 iron, 4 sulfur cluster binding metal cluster binding cation binding metal ion binding oxidoreductase activity, acting on the CH-CH group of donors, iron-sulfur protein as acceptor oxidoreductase activity, acting on the CH-CH group of donors	pigment metabolic process organonitrogen compound metabolic process porphyrin-containing compound biosynthetic process tetrapyrrole metabolic process light-independent bacteriochlorophyll biosynthetic process chlorophyll metabolic process organonitrogen compound biosynthetic process bacteriochlorophyll metabolic process pigment biosynthetic process bacteriochlorophyll biosynthetic process light-independent chlorophyll biosynthetic process organic cyclic compound metabolic process organic substance metabolic process tetrapyrrole biosynthetic process biosynthetic process pigment metabolic process organonitrogen compound metabolic process porphyrin-containing compound biosynthetic process tetrapyrrole metabolic process light-independent bacteriochlorophyll biosynthetic process chlorophyll metabolic process organonitrogen compound biosynthetic process bacteriochlorophyll metabolic process pigment biosynthetic process bacteriochlorophyll biosynthetic process light-independent chlorophyll biosynthetic process organic cyclic compound metabolic process organic substance metabolic process tetrapyrrole biosynthetic process biosynthetic process organic cyclic compound biosynthetic process organic substance biosynthetic process metabolic process porphyrin-containing compound metabolic process chlorophyll biosynthetic process carbohydrate metabolic process photosynthesis carbohydrate biosynthetic process cellular metabolic process photosynthesis, dark reaction primary metabolic process cellular process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR030655	NifH/chlL conserved site	Conserved Site
A, B, C, D	IPR000392	NifH/frxC family	Family
A, B, C, D	IPR005971	Light-independent protochlorophyllide reductase, iron-sulphur ATP-binding protein	Family
A, B, C, D	IPR027417	P-loop containing nucleoside triphosphate hydrolase	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.