SMTL ID : 3btj.2 (2 other biounits)

crystal structure of QacR(E58Q) bound to dequalinium

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.98 Å

Oligo State

homo-dimer

Ligands

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

SO4.1: 5 residues within 4Å: Chain A: T.25, Y.40, T.45, K.46 Ligands: SO4.2 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:T.25, A:Y.40, A:K.46 SO4.2: 5 residues within 4Å: Chain A: Y.20, K.46, E.105, Y.106 Ligands: SO4.1 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:Y.20, A:E.105, A:Y.106 Salt bridges: A:K.46 SO4.3: 3 residues within 4Å: Chain A: H.164, E.165 Chain B: Y.107 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:Y.107 SO4.4: 2 residues within 4Å: Chain A: E.13, I.16 No protein-ligand interaction detected (PLIP) SO4.5: 2 residues within 4Å: Chain A: H.128, K.132 2 PLIP interactions: 2 interactions with chain A Salt bridges: A:H.128, A:K.132 SO4.6: 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 SO4.7: 4 residues within 4Å: Chain B: T.25, Y.40, T.45, K.46 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:Y.40, B:K.46 SO4.8: 4 residues within 4Å: Chain B: K.12, I.53, I.56, E.57 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:I.53, B:E.57 Salt bridges: B:K.12 SO4.9: 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 SO4.10: 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

Peters, K.M. et al., QacR-cation recognition is mediated by a redundancy of residues capable of charge neutralization. Biochemistry (2008)

Release Date

2008-08-12

Peptides

HTH-type transcriptional regulator qacR: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
D

B
E

HTH-type transcriptional regulator qacR

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