Annotations: 8Q5X

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D	DNA_topoisoIV	e8q5xD1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: DNA_topoisoIV	ECOD (v294.2)
C	DNA_topoisoIV	e8q5xC1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: DNA_topoisoIV	ECOD (v294.2)
B	DNA_topoisoIV	e8q5xB1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: DNA_topoisoIV	ECOD (v294.2)
A	Fungal_lectin	e8q5xA01	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: Fungal_lectin	ECOD (v294.2)

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

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Nitrogenase iron 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 iron-sulfur cluster binding 4 iron, 4 sulfur cluster binding metal cluster binding cation binding metal ion binding oxidoreductase activity nitrogenase activity oxidoreductase activity, acting on iron-sulfur proteins as donors catalytic activity oxidoreductase activity, acting on iron-sulfur proteins as donors, dinitrogen as acceptor	-	-

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	IPR005977	Nitrogenase iron protein NifH	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 R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.

8Q5X | pdb_00008q5x