SMTL ID : 9qq6.1

Structure of the Azotobacter vinelandii NifL-NifA complex

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-2-1-mer

Ligands

2 x FAD: FLAVIN-ADENINE DINUCLEOTIDE(Non-covalent)

FAD.1: 24 residues within 4Å: Chain A: S.57, T.59, L.61, K.62, A.63, N.87, E.88, S.89, L.91, S.92, R.98, Y.101, Q.102, L.104, W.105, L.108, L.118, N.120, L.132, V.134, Y.147, L.148, G.149, H.151 23 PLIP interactions: 23 interactions with chain A Hydrophobic interactions: A:T.59, A:A.63, A:E.88, A:E.88, A:W.105, A:W.105, A:V.134 Hydrogen bonds: A:K.62, A:K.62, A:N.87, A:E.88, A:S.92, A:S.92, A:S.92, A:Y.101, A:W.105, A:N.120, A:N.120 Salt bridges: A:R.98, A:R.98 pi-Stacking: A:W.105, A:W.105, A:W.105 FAD.3: 21 residues within 4Å: Chain B: T.59, L.61, K.62, A.63, E.88, S.89, L.91, S.92, R.98, Y.101, Q.102, L.104, W.105, L.108, L.118, N.120, L.132, V.134, Y.147, L.148, G.149 16 PLIP interactions: 16 interactions with chain B Hydrophobic interactions: B:A.63, B:L.104, B:V.134 Hydrogen bonds: B:L.61, B:E.88, B:E.88, B:S.92, B:Q.102, B:W.105, B:N.120, B:N.120 Salt bridges: B:R.98, B:R.98 pi-Stacking: B:W.105, B:W.105, B:W.105

3 x ADP: ADENOSINE-5'-DIPHOSPHATE(Non-covalent)

ADP.2: 22 residues within 4Å: Chain A: L.434, N.437, A.438, S.441, D.469, G.473, I.474, V.482, F.487, S.488, T.489, K.490, R.494, V.495, G.496, R.497, G.498, M.499, G.500, L.501, P.502, C.525 15 PLIP interactions: 15 interactions with chain A Hydrogen bonds: A:N.437, A:D.469, A:S.488, A:T.489, A:K.490, A:K.490, A:R.494, A:V.495, A:R.497, A:G.498, A:G.498, A:M.499, A:G.500, A:L.501 Salt bridges: A:R.494 ADP.4: 24 residues within 4Å: Chain B: L.434, N.437, A.438, E.440, S.441, D.469, G.471, P.472, G.473, I.474, V.482, F.487, S.488, T.489, K.490, G.496, R.497, G.498, M.499, G.500, L.501, P.502, C.525, I.527 20 PLIP interactions: 20 interactions with chain B Hydrogen bonds: B:N.437, B:E.440, B:S.441, B:D.469, B:S.488, B:S.488, B:S.488, B:T.489, B:T.489, B:K.490, B:R.497, B:R.497, B:G.498, B:G.498, B:M.499, B:G.500, B:L.501 Salt bridges: B:K.490 pi-Cation interactions: B:K.490, B:K.490 ADP.5: 20 residues within 4Å: Chain C: V.211, V.212, G.213, M.218, F.222, E.240, S.241, G.242, T.243, G.244, K.245, E.246, L.247, I.248, R.385, L.392, L.396, V.427, R.428, E.431 17 PLIP interactions: 17 interactions with chain C Hydrogen bonds: C:V.212, C:V.212, C:E.240, C:S.241, C:G.242, C:T.243, C:T.243, C:G.244, C:K.245, C:E.246, C:E.246, C:L.247, C:R.385, C:R.385 Salt bridges: C:K.245, C:R.428, C:R.428

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Bueno Batista, M. et al., Structural and functional analysis of the NifL-NifA complex for engineered control of nitrogen fixation in Proteobacteria. To Be Published

Release Date

2025-06-18

Peptides

histidine kinase: AB
Nif-specific regulatory protein: C

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

histidine kinase

Nif-specific regulatory protein