SMTL ID : 9ctz.1

Azotobacter vinelandii MoFeP (C2 symmetry)

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-2-2-mer

Ligands

2 x HCA: 3-HYDROXY-3-CARBOXY-ADIPIC ACID(Non-covalent)

HCA.1: 9 residues within 4Å: Chain A: A.65, G.95, R.96, Q.191, G.424, I.425, K.426, H.442 Ligands: ICS.2 10 PLIP interactions: 8 interactions with chain A, 2 interactions with chain B Hydrophobic interactions: A:H.442 Hydrogen bonds: A:Q.191, A:I.425, A:H.442, B:R.105 Water bridges: A:K.426, A:K.426, B:Y.98 Salt bridges: A:K.426, A:H.442 HCA.5: 9 residues within 4Å: Chain C: A.65, G.95, R.96, Q.191, G.424, I.425, K.426, H.442 Ligands: ICS.6 10 PLIP interactions: 2 interactions with chain D, 8 interactions with chain C Hydrogen bonds: D:R.105, C:Q.191, C:I.425, C:H.442 Water bridges: D:Y.98, C:K.426, C:K.426 Hydrophobic interactions: C:H.442 Salt bridges: C:K.426, C:H.442

2 x ICS: iron-sulfur-molybdenum cluster with interstitial carbon(Non-covalent)

ICS.2: 14 residues within 4Å: Chain A: V.70, R.96, H.195, Y.229, I.231, C.275, I.355, G.356, G.357, L.358, R.359, F.381, H.442 Ligands: HCA.1 2 PLIP interactions: 2 interactions with chain A, Salt bridges: A:E.380 Metal complexes: A:C.275 ICS.6: 13 residues within 4Å: Chain C: V.70, R.96, H.195, Y.229, C.275, I.355, G.356, G.357, L.358, R.359, F.381, H.442 Ligands: HCA.5 2 PLIP interactions: 2 interactions with chain C, Salt bridges: C:E.380 Metal complexes: C:C.275

2 x FE: FE (III) ION(Non-covalent)

FE.3: 4 residues within 4Å: Chain B: D.353, D.357 Chain D: R.108, E.109 4 PLIP interactions: 2 interactions with chain D, 2 interactions with chain B Metal complexes: D:R.108, D:E.109, B:D.353, B:D.357 FE.7: 4 residues within 4Å: Chain B: R.108, E.109 Chain D: D.353, D.357 4 PLIP interactions: 2 interactions with chain D, 2 interactions with chain B Metal complexes: D:D.353, D:D.357, B:R.108, B:E.109

2 x CLF: FE(8)-S(7) CLUSTER(Non-covalent)

CLF.4: 18 residues within 4Å: Chain A: C.62, Y.64, P.85, G.87, C.88, Y.91, C.154, G.185 Chain B: C.70, P.72, S.92, G.94, C.95, Y.98, F.99, T.152, C.153, S.188 10 PLIP interactions: 5 interactions with chain B, 5 interactions with chain A, Metal complexes: B:C.70, B:C.95, B:C.95, B:C.153, B:S.188, A:C.62, A:C.88, A:C.88, A:C.154 Salt bridges: A:E.153 CLF.8: 19 residues within 4Å: Chain C: C.62, Y.64, P.85, G.87, C.88, Y.91, E.153, C.154, G.185 Chain D: C.70, P.72, S.92, G.94, C.95, Y.98, F.99, T.152, C.153, S.188 10 PLIP interactions: 5 interactions with chain C, 5 interactions with chain D, Salt bridges: C:E.153 Metal complexes: C:C.62, C:C.88, C:C.88, C:C.154, D:C.70, D:C.95, D:C.95, D:C.153, D:S.188

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Narehood, S.M. et al., Structural basis for the conformational protection of nitrogenase from O 2 . Nature (2025)

Release Date

2025-01-15

Peptides

Nitrogenase molybdenum-iron protein alpha chain: AC
Nitrogenase molybdenum-iron protein beta chain: BD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

C
C

B
B

D
D

Nitrogenase molybdenum-iron protein alpha chain

Nitrogenase molybdenum-iron protein beta chain

Related Entries With Identical Sequence