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

Crystal structure of Mycobacterium Tuberculosis Glutamine Synthetase in complex with a purine analogue inhibitor.

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.55 Å

Oligo State

homo-hexamer

Ligands

6 x 1AZ: 1-(3,4-dichlorobenzyl)-3,7-dimethyl-8-morpholin-4-yl-3,7-dihydro-1H-purine-2,6-dione(Non-covalent)

1AZ.1: 13 residues within 4Å: Chain A: Y.137, F.138, G.139, E.141, N.237, Y.238, F.240, H.286, Q.287, S.288, W.290, K.369, R.372 7 PLIP interactions: 7 interactions with chain A Hydrophobic interactions: A:Y.137, A:F.240, A:W.290 Hydrogen bonds: A:N.237, A:R.372 Water bridges: A:F.240 pi-Stacking: A:F.240 1AZ.3: 13 residues within 4Å: Chain B: Y.137, F.138, G.139, E.141, N.237, Y.238, F.240, H.286, Q.287, S.288, W.290, K.369, R.372 8 PLIP interactions: 8 interactions with chain B Hydrophobic interactions: B:Y.137, B:F.240, B:F.240, B:W.290 Hydrogen bonds: B:N.237, B:R.372 Water bridges: B:F.240 pi-Stacking: B:F.240 1AZ.5: 13 residues within 4Å: Chain C: Y.137, F.138, G.139, E.141, N.237, Y.238, F.240, H.286, Q.287, S.288, W.290, K.369, R.372 8 PLIP interactions: 8 interactions with chain C Hydrophobic interactions: C:Y.137, C:F.240, C:F.240, C:W.290 Hydrogen bonds: C:N.237, C:R.372 Water bridges: C:F.240 pi-Stacking: C:F.240 1AZ.7: 12 residues within 4Å: Chain D: Y.137, F.138, G.139, E.141, N.237, Y.238, F.240, H.286, S.288, W.290, K.369, R.372 8 PLIP interactions: 8 interactions with chain D Hydrophobic interactions: D:Y.137, D:F.240, D:F.240, D:W.290 Hydrogen bonds: D:N.237, D:R.372 Water bridges: D:F.240 pi-Stacking: D:F.240 1AZ.9: 12 residues within 4Å: Chain E: Y.137, F.138, G.139, E.141, N.237, Y.238, F.240, H.286, S.288, W.290, K.369, R.372 7 PLIP interactions: 7 interactions with chain E Hydrophobic interactions: E:Y.137, E:F.240, E:F.240, E:W.290 Hydrogen bonds: E:N.237, E:R.372 pi-Stacking: E:F.240 1AZ.11: 12 residues within 4Å: Chain F: Y.137, F.138, G.139, E.141, N.237, Y.238, F.240, H.286, S.288, W.290, K.369, R.372 7 PLIP interactions: 7 interactions with chain F Hydrophobic interactions: F:Y.137, F:F.240, F:W.290 Hydrogen bonds: F:N.237, F:R.372 Water bridges: F:F.240 pi-Stacking: F:F.240

6 x CL: CHLORIDE ION(Non-functional Binders)

CL.2: 3 residues within 4Å: Chain A: Q.430, L.431, S.432 Ligand excluded by PLIP CL.4: 3 residues within 4Å: Chain B: Q.430, L.431, S.432 Ligand excluded by PLIP CL.6: 3 residues within 4Å: Chain C: Q.430, L.431, S.432 Ligand excluded by PLIP CL.8: 3 residues within 4Å: Chain D: Q.430, L.431, S.432 Ligand excluded by PLIP CL.10: 3 residues within 4Å: Chain E: Q.430, L.431, S.432 Ligand excluded by PLIP CL.12: 3 residues within 4Å: Chain F: Q.430, L.431, S.432 Ligand excluded by PLIP

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Nilsson, M.T. et al., Structural Basis for the Inhibition of Mycobacterium Tuberculosis Glutamine Synthetase by Novel ATP-Competitive Inhibitors. J.Mol.Biol. (2009)

Release Date

2009-09-01

Peptides

GLUTAMINE SYNTHETASE 1: ABCDEF

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
G

B
H

C
I

D
J

E
K

F
L

GLUTAMINE SYNTHETASE 1

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