SMTL ID : 3br5.2 (2 other biounits)

Crystal Structure of the Complex of Rhodamine 6G Bound to QacR(E90Q), a Mutant of a Multidrug Binding Transcriptional Repressor

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.90 Å

Oligo State

homo-dimer

Ligands

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

SO4.1: 4 residues within 4Å: Chain A: T.23, T.24, T.25, K.46 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:T.25 Salt bridges: A:K.46 SO4.2: 3 residues within 4Å: Chain A: Q.64, Q.90, Y.91 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:Q.64, A:Q.90, A:Q.90, A:Y.91 SO4.3: 5 residues within 4Å: Chain A: I.142, N.143, D.144, V.148 Chain B: K.177 4 PLIP interactions: 1 interactions with chain B, 3 interactions with chain A Salt bridges: B:K.177 Hydrogen bonds: A:N.143, A:N.143, A:D.144 SO4.4: 2 residues within 4Å: Chain A: S.141, S.187 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:S.141, A:S.141, A:S.187 SO4.5: 5 residues within 4Å: Chain B: T.24, T.25, G.26, E.27, K.36 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:T.24, B:G.26, B:E.27 Salt bridges: B:K.36 SO4.6: 3 residues within 4Å: Chain B: L.3, N.38, H.42 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:L.3, B:N.38 Salt bridges: B:H.42 SO4.7: 4 residues within 4Å: Chain B: T.25, Y.40, K.46, E.47 6 PLIP interactions: 6 interactions with chain B Hydrogen bonds: B:Y.40, B:Y.40, B:K.46, B:E.47 Water bridges: B:T.25, B:K.46 SO4.8: 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 SO4.9: 6 residues within 4Å: Chain A: Y.103 Chain B: F.162, T.163, H.164, E.165, Q.166 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:T.163, B:Q.166 SO4.10: 4 residues within 4Å: Chain A: K.177 Chain B: I.142, N.143, D.144 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.177

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Brooks, B.E. et al., Formal electrostatic interactions do not govern QacR-cation affinity. To be Published

Release Date

2008-12-23

Peptides

HTH-type transcriptional regulator qacR: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
D

B
E

HTH-type transcriptional regulator qacR

Related Entries With Identical Sequence