SMTL ID : 1xcp.1 (1 other biounit)

Crystal Structure of the Nitrogenase Fe protein Phe135Trp with MgADP bound

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 3.20 Å

Oligo State

homo-dimer

Ligands

2 x MG: MAGNESIUM ION(Non-covalent)

MG.1: 5 residues within 4Å: Chain A: K.15, S.16, D.39, D.43 Ligands: ADP.2 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:S.16, A:D.39, A:D.43 MG.3: 5 residues within 4Å: Chain B: K.15, S.16, D.39, D.43 Ligands: ADP.5 3 PLIP interactions: 3 interactions with chain B Metal complexes: B:S.16, B:D.39, B:D.43

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

ADP.2: 20 residues within 4Å: Chain A: K.10, G.12, I.13, G.14, K.15, S.16, T.17, D.43, D.125, N.185, V.211, P.212, R.213, D.214, V.217, Q.218, E.221, Q.236, Y.240 Ligands: MG.1 17 PLIP interactions: 17 interactions with chain A Hydrogen bonds: A:K.10, A:G.12, A:G.14, A:K.15, A:S.16, A:S.16, A:T.17, A:T.17, A:T.17, A:N.185, A:P.212, A:D.214, A:Q.218, A:E.221, A:Q.236, A:Y.240 Salt bridges: A:K.15 ADP.5: 20 residues within 4Å: Chain B: K.10, G.11, G.12, I.13, G.14, K.15, S.16, T.17, D.125, N.185, V.211, P.212, R.213, D.214, V.217, Q.218, E.221, Q.236, Y.240 Ligands: MG.3 14 PLIP interactions: 14 interactions with chain B Hydrogen bonds: B:G.12, B:G.14, B:K.15, B:S.16, B:S.16, B:T.17, B:T.17, B:T.17, B:N.185, B:P.212, B:D.214, B:Q.236, B:Y.240 Salt bridges: B:K.15

1 x SF4: IRON/SULFUR CLUSTER(Non-covalent)

SF4.4: 9 residues within 4Å: Chain A: C.97, A.98, C.132, G.134 Chain B: C.97, A.98, C.132, G.134, W.135 4 PLIP interactions: 2 interactions with chain A, 2 interactions with chain B, Metal complexes: A:C.97, A:C.132, B:C.97, B:C.132

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Jeong, M.S. et al., Structural basis for the changes in redox potential in the nitrogenase Phe135Trp Fe protein with MgADP Bound. Mol.Cell (2004)

Release Date

2005-03-15

Peptides

Nitrogenase iron protein 1: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Nitrogenase iron protein 1

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