SMTL ID : 3br5.1 (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

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

SO4.1: 2 residues within 4Å: Chain A: Q.90, Y.91 Ligand excluded by PLIP SO4.2: 2 residues within 4Å: Chain A: H.128, K.132 Ligand excluded by PLIP SO4.3: 8 residues within 4Å: Chain A: F.15, I.16, P.94, L.95, Q.96, N.97, A.98 Chain B: Y.107 Ligand excluded by PLIP SO4.4: 6 residues within 4Å: Chain A: H.128, N.143, D.144, V.145, N.146, A.147 Ligand excluded by PLIP SO4.6: 3 residues within 4Å: Chain B: K.30, E.33, S.34 Ligand excluded by PLIP SO4.7: 5 residues within 4Å: Chain B: N.2, L.3, K.4, N.38, H.42 Ligand excluded by PLIP SO4.8: 3 residues within 4Å: Chain B: K.4, Y.41, H.42 Ligand excluded by PLIP SO4.9: 0 residues within 4Å: (No contacts) Ligand excluded by PLIP SO4.10: 2 residues within 4Å: Chain B: H.128, K.132 Ligand excluded by PLIP SO4.11: 1 residues within 4Å: Chain B: K.6 Ligand excluded by PLIP SO4.12: 5 residues within 4Å: Chain B: N.143, D.144, V.145, N.146, A.147 Ligand excluded by PLIP SO4.13: 2 residues within 4Å: Chain B: K.36, Y.40 Ligand excluded by PLIP SO4.14: 5 residues within 4Å: Chain B: T.24, G.26, E.27 Ligands: SO4.15, SO4.17 Ligand excluded by PLIP SO4.15: 4 residues within 4Å: Chain B: T.25, G.26, K.36 Ligands: SO4.14 Ligand excluded by PLIP SO4.16: 3 residues within 4Å: Chain B: T.109, N.110, S.111 Ligand excluded by PLIP SO4.17: 5 residues within 4Å: Chain B: T.23, T.24, T.25, K.46 Ligands: SO4.14 Ligand excluded by PLIP

1 x RHQ: RHODAMINE 6G(Non-covalent)

RHQ.5: 13 residues within 4Å: Chain B: L.54, E.57, E.58, W.61, Q.64, S.86, T.89, Q.90, Y.93, Q.96, L.119, Y.123, V.160 12 PLIP interactions: 12 interactions with chain B Hydrophobic interactions: B:L.54, B:L.54, B:E.57, B:E.58, B:W.61, B:W.61, B:Y.93, B:Y.123, B:V.160 Hydrogen bonds: B:Q.64 pi-Stacking: B:Y.93, B:Y.93

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
B

B
A

HTH-type transcriptional regulator qacR

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