PDBe 2wgs

X-ray diffraction
2.55Å resolution

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


Function and Biology Details

Structure analysis Details

Assemblies composition:
homo 12-mer
homo hexamer (preferred)
Entry contents:
1 distinct polypeptide molecule
Glutamine synthetase Chains: A, B, C, D, E, F, G, H, I, J, K, L
Molecule details ›
Chains: A, B, C, D, E, F, G, H, I, J, K, L
Length: 486 amino acids
Theoretical weight: 54.58 KDa
Source organism: Mycobacterium tuberculosis H37Rv
Expression system: Escherichia coli
  • Canonical: P9WN39 (Residues: 2-478; Coverage: 100%)
Gene names: MTCY190.31, MTCY427.01, Rv2220, glnA, glnA1
Sequence domains:
Structure domains:

Ligands and Environments

2 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-2
Spacegroup: P212121
Unit cell:
a: 134.95Å b: 203.18Å c: 230.2Å
α: 90° β: 90° γ: 90°
R R work R free
0.231 0.23 0.246
Expression system: Escherichia coli