6a2s

X-ray diffraction
2.5Å resolution

Mycobacterium tuberculosis LexA C-domain S160A

Released:

Function and Biology Details

Reaction catalysed:
Hydrolysis of Ala(84)-|-Gly bond in repressor LexA.
Biochemical function:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-161580 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
LexA repressor Chains: A, B, C, D, E, F, G, H
Molecule details ›
Chains: A, B, C, D, E, F, G, H
Length: 111 amino acids
Theoretical weight: 11.85 KDa
Source organism: Mycobacterium tuberculosis H37Rv
Expression system: Escherichia coli
UniProt:
  • Canonical: P9WHR7 (Residues: 126-236; Coverage: 47%)
Gene names: MTCY05A6.41, Rv2720, lexA
Sequence domains: Peptidase S24-like
Structure domains: Umud Fragment, subunit A

Ligands and Environments

2 bound ligands:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE BM14
Spacegroup: P21
Unit cell:
a: 57.61Å b: 104.2Å c: 88.1Å
α: 90° β: 104.08° γ: 90°
R-values:
R R work R free
0.244 0.241 0.29
Expression system: Escherichia coli