Annotations: 8VQJ

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

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

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, C	PF00148	Nitrogenase component 1 type Oxidoreductase (Oxidored_nitro)	Nitrogenase component 1 type Oxidoreductase		Domain
B, D	PF00148	Nitrogenase component 1 type Oxidoreductase (Oxidored_nitro)	Nitrogenase component 1 type Oxidoreductase		Domain
E, F	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, C	Light-independent protochlorophyllide reductase subunit N	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide 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 porphyrin-containing compound biosynthetic process tetrapyrrole metabolic process light-independent bacteriochlorophyll biosynthetic process chlorophyll metabolic process pigment biosynthetic process bacteriochlorophyll biosynthetic process light-independent chlorophyll biosynthetic process tetrapyrrole biosynthetic process biosynthetic process metabolic process cellular process porphyrin-containing compound metabolic process chlorophyll biosynthetic process pigment metabolic process porphyrin-containing compound biosynthetic process tetrapyrrole metabolic process light-independent bacteriochlorophyll biosynthetic process chlorophyll metabolic process pigment biosynthetic process bacteriochlorophyll biosynthetic process light-independent chlorophyll biosynthetic process tetrapyrrole biosynthetic process biosynthetic process metabolic process cellular process porphyrin-containing compound metabolic process chlorophyll biosynthetic process carbohydrate metabolic process photosynthesis carbohydrate biosynthetic process photosynthesis, dark reaction primary metabolic process	-
B, D	Light-independent protochlorophyllide reductase subunit B	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide 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	carbohydrate metabolic process biosynthetic process photosynthesis carbohydrate biosynthetic process photosynthesis, dark reaction primary metabolic process metabolic process cellular process pigment metabolic process porphyrin-containing compound biosynthetic process tetrapyrrole metabolic process light-independent bacteriochlorophyll biosynthetic process chlorophyll metabolic process pigment biosynthetic process carbohydrate metabolic process biosynthetic process photosynthesis carbohydrate biosynthetic process photosynthesis, dark reaction primary metabolic process metabolic process cellular process pigment metabolic process porphyrin-containing compound biosynthetic process tetrapyrrole metabolic process light-independent bacteriochlorophyll biosynthetic process chlorophyll metabolic process pigment biosynthetic process bacteriochlorophyll biosynthetic process light-independent chlorophyll biosynthetic process tetrapyrrole biosynthetic process porphyrin-containing compound metabolic process chlorophyll biosynthetic process	-
E, F	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 anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide 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 porphyrin-containing compound biosynthetic process tetrapyrrole metabolic process light-independent bacteriochlorophyll biosynthetic process chlorophyll metabolic process pigment biosynthetic process bacteriochlorophyll biosynthetic process light-independent chlorophyll biosynthetic process tetrapyrrole biosynthetic process biosynthetic process metabolic process cellular process porphyrin-containing compound metabolic process chlorophyll biosynthetic process pigment metabolic process porphyrin-containing compound biosynthetic process tetrapyrrole metabolic process light-independent bacteriochlorophyll biosynthetic process chlorophyll metabolic process pigment biosynthetic process bacteriochlorophyll biosynthetic process light-independent chlorophyll biosynthetic process tetrapyrrole biosynthetic process biosynthetic process metabolic process cellular process porphyrin-containing compound metabolic process chlorophyll biosynthetic process carbohydrate metabolic process photosynthesis carbohydrate biosynthetic process photosynthesis, dark reaction primary metabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, C	IPR000510	Nitrogenase/oxidoreductase, component 1	Domain
A, C	IPR005970	Light-independent protochlorophyllide reductase, N subunit	Family
A, C	IPR050293	Light-independent protochlorophyllide reductase	Family
B, D	IPR013580	Light-independent protochlorophyllide reductase subunit B-like, C-terminal	Domain
B, D	IPR016209	Protochlorophyllide reductase, ChlB, light independent	Family
B, D	IPR000510	Nitrogenase/oxidoreductase, component 1	Domain
B, D	IPR042298	Proto-chlorophyllide reductase, C-terminal	Homologous Superfamily
B, D	IPR005969	Light-independent protochlorophyllide reductase, B subunit	Family
B, D	IPR050152	ChlB/BchB/BchZ	Family
E, F	IPR030655	NifH/chlL conserved site	Conserved Site
E, F	IPR000392	NifH/frxC family	Family
E, F	IPR005971	Light-independent protochlorophyllide reductase, iron-sulphur ATP-binding protein	Family
E, F	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 R01GM157729.