SMTL ID : 1wet.1

STRUCTURE OF THE PURR-GUANINE-PURF OPERATOR COMPLEX

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.60 Å

Oligo State

homo-dimer

Ligands

2 x GUN: GUANINE(Non-covalent)

GUN.1: 8 residues within 4Å: Chain B: A.70, Y.72, F.73, R.189, T.191, R.195, F.220, D.274 9 PLIP interactions: 9 interactions with chain B Hydrogen bonds: B:R.189, B:R.195, B:D.274 Water bridges: B:D.219, B:F.220 pi-Stacking: B:Y.72, B:F.220, B:F.220 pi-Cation interactions: B:F.73 GUN.2: 8 residues within 4Å: Chain D: A.70, Y.72, F.73, R.189, T.191, R.195, F.220, D.274 10 PLIP interactions: 10 interactions with chain D Hydrogen bonds: D:R.189, D:T.191, D:R.195, D:D.274 Water bridges: D:D.219, D:F.220 pi-Stacking: D:Y.72, D:F.220, D:F.220 pi-Cation interactions: D:F.73

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Schumacher, M.A. et al., The X-ray structure of the PurR-guanine-purF operator complex reveals the contributions of complementary electrostatic surfaces and a water-mediated hydrogen bond to corepressor specificity and binding affinity. J.Biol.Chem. (1997)

Release Date

1997-11-21

Peptides

PROTEIN (PURINE REPRESSOR): BD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

B
A

D
A

PROTEIN (PURINE REPRESSOR)

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