SMTL ID : 1rkw.2 (1 other biounit)

CRYSTAL STRUCTURE OF THE MULTIDRUG BINDING TRANSCRIPTIONAL REPRESSOR QACR BOUND TO PENTAMADINE

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.62 Å

Oligo State

homo-dimer

Ligands

14 x SO4: SULFATE ION(Non-functional Binders)

SO4.1: 5 residues within 4Å: Chain A: T.25, Y.40, T.45, K.46 Ligands: SO4.4 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:Y.40, A:K.46 SO4.2: 5 residues within 4Å: Chain A: N.2, L.3, K.4, N.38, H.42 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:N.2, A:L.3, A:N.38 Salt bridges: A:H.42 SO4.3: 2 residues within 4Å: Chain A: T.24, G.26 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:T.24, A:G.26 SO4.4: 5 residues within 4Å: Chain A: Y.20, K.46, E.105, Y.106 Ligands: SO4.1 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:Y.20, A:Y.106 Salt bridges: A:K.46 SO4.5: 4 residues within 4Å: Chain A: H.164, E.165, Q.166 Chain B: Y.107 2 PLIP interactions: 1 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:Y.107 Salt bridges: A:H.164 SO4.6: 2 residues within 4Å: Chain A: E.13, K.17 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:E.13 SO4.7: 1 residues within 4Å: Chain A: Y.107 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:Y.107, A:Y.107 Salt bridges: A:K.108 SO4.8: 4 residues within 4Å: Chain A: K.173 Chain B: N.143, D.144, A.147 3 PLIP interactions: 2 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:N.143, B:D.144 Salt bridges: A:K.173 SO4.9: 5 residues within 4Å: Chain B: T.24, T.25, G.26, E.27, K.36 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:G.26, B:E.27 Salt bridges: B:K.36 SO4.10: 4 residues within 4Å: Chain B: T.25, Y.40, T.45, K.46 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:Y.40, B:K.46 Water bridges: B:T.25 SO4.11: 4 residues within 4Å: Chain B: K.12, I.53, I.56, E.57 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:I.53, B:E.57, B:E.57 Salt bridges: B:K.12 SO4.12: 3 residues within 4Å: Chain B: N.2, D.5, K.6 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:N.2 SO4.13: 3 residues within 4Å: Chain B: K.4, Y.41, H.42 2 PLIP interactions: 2 interactions with chain B Salt bridges: B:K.4, B:H.42 SO4.14: 2 residues within 4Å: Chain B: H.128, K.132 2 PLIP interactions: 2 interactions with chain B Salt bridges: B:H.128, B:K.132

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Murray, D.S. et al., Crystal structures of QacR-diamidine complexes reveal additional multidrug-binding modes and a novel mechanism of drug charge neutralization. J.Biol.Chem. (2004)

Release Date

2004-06-01

Peptides

Transcriptional regulator qacR: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
D

B
E

Transcriptional regulator qacR

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