Annotations: 8OIE

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	PF03139	e8oieB1	A: alpha arrays	X: Nitrogenase vanadium-iron protein delta chain (From Topology)	H: Nitrogenase vanadium-iron protein delta chain (From Topology)	T: Nitrogenase vanadium-iron protein delta chain	F: PF03139	ECOD (1.6)
G	PF03139	e8oieG1	A: alpha arrays	X: Nitrogenase vanadium-iron protein delta chain (From Topology)	H: Nitrogenase vanadium-iron protein delta chain (From Topology)	T: Nitrogenase vanadium-iron protein delta chain	F: PF03139	ECOD (1.6)
C	PF00148	e8oieC1	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Class I glutamine amidotransferase-like	T: Chelatase-like	F: PF00148	ECOD (1.6)
H	PF00148	e8oieH2	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Class I glutamine amidotransferase-like	T: Chelatase-like	F: PF00148	ECOD (1.6)
D	PF00142	e8oieD1	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)
E	PF00142	e8oieE1	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)
I	PF00142	e8oieI1	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)
J	PF00142	e8oieJ1	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)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B, G	Nitrogenase iron-iron protein delta chain	iron-sulfur cluster binding binding metal cluster binding small molecule binding oxidoreductase activity oxidoreductase activity, acting on iron-sulfur proteins as donors catalytic activity carbonyl sulfide nitrogenase activity oxidoreductase activity, acting on iron-sulfur proteins as donors, dinitrogen as acceptor cation binding transition metal ion binding iron ion binding ion binding metal ion binding iron-sulfur cluster binding binding metal cluster binding small molecule binding oxidoreductase activity oxidoreductase activity, acting on iron-sulfur proteins as donors catalytic activity carbonyl sulfide nitrogenase activity oxidoreductase activity, acting on iron-sulfur proteins as donors, dinitrogen as acceptor cation binding transition metal ion binding iron ion binding ion binding metal ion binding nitrogenase activity	nitrogen cycle metabolic process metabolic process nitrogen fixation	-
C, H	Nitrogenase iron-iron protein, beta subunit	oxidoreductase activity oxidoreductase activity, acting on iron-sulfur proteins as donors catalytic activity carbonyl sulfide nitrogenase activity oxidoreductase activity, acting on iron-sulfur proteins as donors, dinitrogen as acceptor nitrogenase activity	nitrogen cycle metabolic process metabolic process nitrogen fixation	-
D, E, I, J	Nitrogenase iron 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 carbonyl sulfide nitrogenase activity oxidoreductase activity, acting on iron-sulfur proteins as donors, dinitrogen as acceptor iron-sulfur cluster binding 4 iron, 4 sulfur cluster binding metal cluster binding cation binding metal ion binding nitrogenase activity	nitrogen cycle metabolic process metabolic process nitrogen fixation	-
A, F	Nitrogenase protein alpha chain	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 iron-sulfur cluster binding metal cluster binding oxidoreductase activity oxidoreductase activity, acting on iron-sulfur proteins as donors catalytic activity carbonyl sulfide nitrogenase activity oxidoreductase activity, acting on iron-sulfur proteins as donors, dinitrogen as acceptor cation binding metal ion binding nitrogenase activity	nitrogen cycle metabolic process metabolic process nitrogen fixation	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B, G	IPR014278	Nitrogenase iron-iron, delta subunit	Family
B, G	IPR004349	Vanadium/alternative nitrogenase delta subunit	Family
C, H	IPR000510	Nitrogenase/oxidoreductase, component 1	Domain
C, H	IPR000318	Nitrogenase component 1, conserved site	Conserved Site
C, H	IPR014280	Nitrogenase iron-iron, beta subunit	Family
D, E, I, J	IPR030655	NifH/chlL conserved site	Conserved Site
D, E, I, J	IPR000392	NifH/frxC family	Family
D, E, I, J	IPR005977	Nitrogenase iron protein NifH	Family
D, E, I, J	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily
A, F	IPR000510	Nitrogenase/oxidoreductase, component 1	Domain
A, F	IPR000318	Nitrogenase component 1, conserved site	Conserved Site
A, F	IPR010143	Nitrogenase component 1, alpha chain	Family
A, F	IPR005974	Nitrogenase alpha chain	Family
A, F	IPR011290	Nitrogenase iron-iron protein, alpha chain	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 R01GM133198.