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6OP4

Selenium-incorporated, carbon monoxide-inhibited, reactivated FeMo-cofactor of nitrogenase from Azotobacter vinelandii

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, C
(A, C)
Nitrogenase molybdenum-iron protein alpha chainpolymer47754000.62UniProt (P07328)
Pfam (PF00148)
Azotobacter vinelandiiDinitrogenase,Nitrogenase component I
2B, D
(B, D)
Nitrogenase molybdenum-iron protein beta chainpolymer52259404.72UniProt (P07329)
Pfam (PF11844)
Pfam (PF00148)
Azotobacter vinelandiiDinitrogenase,Nitrogenase component I
3E, P
(A, C)
3-HYDROXY-3-CARBOXY-ADIPIC ACIDnon-polymer206.22Chemie (HCA)
4F, Q
(A, C)
iron-sulfur-molybdenum cluster with interstitial carbonnon-polymer787.52Chemie (ICS)
5G, H, K, L, N...
(A, B, C, D)
IMIDAZOLEnon-polymer69.19Chemie (IMD)
6I, S
(A, C)
FE(8)-S(7) CLUSTERnon-polymer671.22Chemie (CLF)
7J, O
(B)
CALCIUM IONnon-polymer40.12Chemie (CA)
8M, W
(B, D)
MAGNESIUM IONnon-polymer24.32Chemie (MG)
9AA, X, Y, Z
(D, A, B, C)
waterwater18.0748Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains4
Total formula weight226810.5
Non-Polymers*Number of molecules19
Total formula weight4080.2
All*Total formula weight230890.6
*Water molecules are not included.

246031

PDB entries from 2025-12-10

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