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

crystal structure of QacR(E58Q) bound to malachite green

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.90 Å

Oligo State

homo-dimer

Ligands

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

SO4.1: 2 residues within 4Å: Chain B: K.4, H.42 2 PLIP interactions: 2 interactions with chain B Salt bridges: B:K.4, B:H.42 SO4.2: 3 residues within 4Å: Chain B: S.35, K.36, G.37 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:K.36, B:G.37 Salt bridges: B:K.36 SO4.3: 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 SO4.4: 5 residues within 4Å: Chain B: N.2, L.3, K.4, N.38, H.42 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:N.2, B:L.3, B:K.4 Salt bridges: B:H.42 SO4.5: 5 residues within 4Å: Chain B: E.57, K.60, W.61, Q.64, Y.93 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:W.61, B:Q.64 SO4.6: 3 residues within 4Å: Chain B: I.16, P.94, N.97 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:I.16, B:N.97

1 x MGR: MALACHITE GREEN(Non-covalent)

MGR.7: 9 residues within 4Å: Chain B: W.61, E.90, Y.93, Y.103, E.120, I.124, A.153, N.154, N.157 5 PLIP interactions: 5 interactions with chain B Hydrophobic interactions: B:E.90, B:E.120, B:N.157 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

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