SMTL ID : 3btc.1 (2 other biounits)

crystal structure of QacR(E57Q) bound to malachite green

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.90 Å

Oligo State

homo-dimer

Ligands

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

SO4.1: 1 residues within 4Å: Chain A: K.67 1 PLIP interactions: 1 interactions with chain A Salt bridges: A:K.67 SO4.2: 3 residues within 4Å: Chain A: K.12, K.60, Y.91 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:Y.91 Salt bridges: A:K.12, A:K.60 SO4.3: 3 residues within 4Å: Chain B: N.2, D.5, K.6 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:N.2, B:N.2 Salt bridges: B:K.6 SO4.4: 3 residues within 4Å: Chain B: K.4, Y.41, H.42 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:Y.41 Salt bridges: B:K.4, B:H.42 SO4.5: 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 SO4.6: 2 residues within 4Å: Chain B: 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 SO4.7: 3 residues within 4Å: Chain B: H.128, K.132, N.146 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:N.146 Salt bridges: B:H.128, B:K.132

1 x MGR: MALACHITE GREEN(Non-covalent)

MGR.8: 11 residues within 4Å: Chain A: F.162 Chain B: W.61, E.90, Y.93, Y.103, E.120, Y.123, I.124, A.153, N.154, N.157 7 PLIP interactions: 6 interactions with chain B, 1 interactions with chain A Hydrophobic interactions: B:E.90, B:E.120, B:Y.123, B:N.157, A:F.162 pi-Stacking: B:Y.103, B:Y.123

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
B

B
A

HTH-type transcriptional regulator qacR

Related Entries With Identical Sequence