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9IAO

Nitrogenase maturase NifEN

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, B)
Nitrogenase iron-molybdenum cofactor biosynthesis protein NifEpolymer47551948.22UniProt (C1DH03)Azotobacter vinelandii DJ
2C, D
(C, D)
Nitrogenase iron-molybdenum cofactor biosynthesis protein NifNpolymer45849302.02UniProt (C1DH04)Azotobacter vinelandii DJ
3E, F
(E, F)
Nitrogenase MoFe cofactor biosynthesis protein NifXpolymer15817307.52UniProt (C1DH05)Azotobacter vinelandii DJ
4G, I
(A, B)
FeFe cofactornon-polymer747.42Chemie (S5Q)
5H, J
(A, B)
IRON/SULFUR CLUSTERnon-polymer351.62Chemie (SF4)
6K, L
(C)
MAGNESIUM IONnon-polymer24.32Chemie (MG)
7M, N, O, P, Q...
(A, B, C, D, E...)
waterwater18.0883Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains6
Total formula weight237115.4
Non-Polymers*Number of molecules6
Total formula weight2246.6
All*Total formula weight239362.0
*Water molecules are not included.

250059

PDB entries from 2026-03-04

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