SMTL ID : 3wgh.1

Crystal structure of RSP in complex with beta-NADH

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.05 Å

Oligo State

homo-dimer

Ligands

2 x NAI: 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE(Non-covalent)

NAI.1: 22 residues within 4Å: Chain A: I.90, G.91, A.92, G.93, N.94, L.95, F.116, D.117, I.118, N.119, V.135, C.153, I.154, P.155, T.162, F.177, L.178, V.193, H.194, L.195 Chain B: A.98, Y.102 16 PLIP interactions: 14 interactions with chain A, 2 interactions with chain B Hydrophobic interactions: A:L.195 Hydrogen bonds: A:N.94, A:N.94, A:L.95, A:I.118, A:N.119, A:I.154, A:T.162, A:T.162, A:V.193, A:L.195 Water bridges: A:G.93, A:G.96, A:S.196, B:Y.102 pi-Stacking: B:Y.102 NAI.7: 21 residues within 4Å: Chain A: A.98, Y.102 Chain B: I.90, G.91, A.92, G.93, N.94, L.95, D.117, I.118, N.119, L.122, V.135, C.153, I.154, P.155, T.162, F.177, V.193, H.194, L.195 14 PLIP interactions: 12 interactions with chain B, 2 interactions with chain A Hydrophobic interactions: B:L.195, A:Y.102, A:Y.102 Hydrogen bonds: B:N.94, B:N.94, B:L.95, B:I.118, B:I.154, B:T.162, B:V.193, B:L.195 Water bridges: B:G.93, B:G.96, B:S.196

2 x CAC: CACODYLATE ION(Non-covalent)

CAC.2: 6 residues within 4Å: Chain A: R.17, R.20, Y.21 Chain B: N.192, H.194 Ligands: ZN.9 4 PLIP interactions: 3 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:R.17, A:R.20, A:R.20, B:N.192 CAC.8: 5 residues within 4Å: Chain A: N.192, H.194 Chain B: R.20 Ligands: ZN.3, ZN.4 2 PLIP interactions: 1 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:R.20, A:N.192

6 x ZN: ZINC ION(Non-covalent)

ZN.3: 3 residues within 4Å: Chain A: D.181, H.194 Ligands: CAC.8 2 PLIP interactions: 1 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:H.194, H2O.3 ZN.4: 3 residues within 4Å: Chain A: D.181 Chain B: E.24 Ligands: CAC.8 4 PLIP interactions: 1 interactions with chain A, 1 interactions with chain B, 2 Ligand-Water interactions Metal complexes: A:D.181, B:E.24, H2O.7, H2O.14 ZN.5: 2 residues within 4Å: Chain A: E.24 Chain B: D.181 5 PLIP interactions: 1 interactions with chain B, 2 interactions with chain A, 2 Ligand-Water interactions Metal complexes: B:D.181, A:E.24, A:E.24, H2O.2, H2O.4 ZN.6: 1 residues within 4Å: Chain A: D.187 4 PLIP interactions: 1 interactions with chain A, 3 Ligand-Water interactions Metal complexes: A:D.187, H2O.1, H2O.3, H2O.7 ZN.9: 2 residues within 4Å: Chain B: H.194 Ligands: CAC.2 4 PLIP interactions: 1 interactions with chain B, 3 Ligand-Water interactions Metal complexes: B:H.194, H2O.2, H2O.10, H2O.10 ZN.10: 1 residues within 4Å: Chain B: E.136 3 PLIP interactions: 1 interactions with chain B, 2 Ligand-Water interactions Metal complexes: B:E.136, H2O.9, H2O.12

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Zheng, Y. et al., Distinct structural features of Rex-family repressors to sense redox levels in anaerobes and aerobes. J.Struct.Biol. (2014)

Release Date

2014-08-13

Peptides

Redox-sensing transcriptional repressor rex: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Redox-sensing transcriptional repressor rex

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