SMTL ID : 1rkw.1 (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

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

SO4.1: 7 residues within 4Å: Chain A: L.8, G.9, K.12, I.53, I.56, E.57, K.60 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:E.57, A:E.57 Salt bridges: A:K.12 SO4.2: 3 residues within 4Å: Chain A: Q.64, E.90, Y.91 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:Q.64, A:E.90, A:Y.91 Salt bridges: A:K.67 SO4.3: 3 residues within 4Å: Chain A: T.24, T.25, K.46 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:T.24, A:T.24, A:T.25 Salt bridges: A:K.46 SO4.5: 6 residues within 4Å: Chain B: L.8, K.12, I.53, I.56, E.57, K.60 5 PLIP interactions: 5 interactions with chain B Hydrogen bonds: B:E.57, B:E.57 Water bridges: B:G.9 Salt bridges: B:K.12, B:K.60 SO4.6: 4 residues within 4Å: Chain B: K.4, Y.41, H.42 Ligands: SO4.9 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:Y.41 Salt bridges: B:K.4, B:H.42 SO4.7: 3 residues within 4Å: Chain B: V.29, S.35, K.36 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:K.36, B:G.37 Salt bridges: B:K.36 SO4.8: 5 residues within 4Å: Chain B: N.2, L.3, K.4, N.38, H.42 5 PLIP interactions: 5 interactions with chain B Hydrogen bonds: B:N.2, B:L.3, B:K.4, B:N.38 Salt bridges: B:H.42 SO4.9: 5 residues within 4Å: Chain B: K.4, H.42, F.43, E.52 Ligands: SO4.6 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:E.52 Salt bridges: B:K.4

1 x PNT: 1,5-BIS(4-AMIDINOPHENOXY)PENTANE(Non-covalent)

PNT.4: 13 residues within 4Å: Chain B: E.57, K.60, W.61, Q.64, Y.82, S.86, T.89, E.90, Y.93, Y.127, A.153, V.156, N.157 9 PLIP interactions: 9 interactions with chain B Hydrophobic interactions: B:K.60, B:W.61, B:E.90, B:Y.93, B:Y.93 Hydrogen bonds: B:Q.64, B:Y.82, B:S.86, B:A.153

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
B

B
A

Transcriptional regulator qacR

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