SMTL ID : 1xkx.1

Kinetic and crystallographic studies on 2-(beta-D-glucopyranosyl)-5-methyl-1,3,4-oxadiazole,-benzothiazole, and-benzimidazole, inhibitors of muscle glycogen phosphorylase b. Evidence for a new binding site.

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.93 Å

Oligo State

monomer

Ligands

3 x IMK: 2-(BETA-D-GLUCOPYRANOSYL)-5-METHYL-1-BENZIMIDAZOLE(Non-covalent)

IMK.1: 8 residues within 4Å: Chain A: F.202, Y.203, Q.219, V.221, F.252, A.272, E.290, K.294 9 PLIP interactions: 9 interactions with chain A Hydrophobic interactions: A:F.202, A:Q.219, A:V.221, A:F.252, A:A.272 Hydrogen bonds: A:Q.219, A:Q.219, A:K.294 pi-Stacking: A:Y.203 IMK.2: 7 residues within 4Å: Chain A: R.60, V.64, W.67, P.188, W.189, E.190, K.191 11 PLIP interactions: 11 interactions with chain A Hydrophobic interactions: A:R.60, A:V.64, A:W.67, A:K.191 Hydrogen bonds: A:R.60, A:R.60, A:E.190, A:K.191 Water bridges: A:A.192 pi-Cation interactions: A:R.60, A:R.60 IMK.3: 14 residues within 4Å: Chain A: G.135, L.136, L.139, N.284, H.341, H.377, T.378, V.455, N.484, Y.573, E.672, A.673, S.674, G.675 15 PLIP interactions: 15 interactions with chain A Hydrophobic interactions: A:L.136, A:T.378 Hydrogen bonds: A:N.284, A:N.284, A:E.672, A:E.672, A:S.674, A:S.674, A:G.675 Water bridges: A:L.136, A:D.283, A:K.574, A:A.673, A:A.673, A:T.676

1 x PLP: PYRIDOXAL-5'-PHOSPHATE(Covalent)

PLP.4: 15 residues within 4Å: Chain A: Y.90, G.134, G.135, W.491, V.567, K.568, K.574, Y.648, R.649, V.650, A.653, G.675, T.676, G.677, K.680 13 PLIP interactions: 13 interactions with chain A Hydrophobic interactions: A:Y.90, A:Y.648, A:V.650, A:K.680 Hydrogen bonds: A:T.676, A:T.676, A:G.677 Water bridges: A:G.135, A:K.574, A:N.678, A:N.678 Salt bridges: A:K.568, A:K.574

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Chrysina, E.D. et al., Kinetic and crystallographic studies on 2-(beta-D-glucopyranosyl)-5-methyl-1, 3, 4-oxadiazole, -benzothiazole, and -benzimidazole, inhibitors of muscle glycogen phosphorylase b. Evidence for a new binding site. Protein Sci. (2005)

Release Date

2005-03-15

Peptides

Glycogen phosphorylase, muscle form: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Glycogen phosphorylase, muscle form

Related Entries With Identical Sequence