› 3k2z

X-ray diffraction
1.37Å resolution

Crystal structure of a LexA protein from Thermotoga maritima

Released:
DOI: 10.2210/pdb3k2z/pdb
PDB entry 3k2z coloured by chain, front view.
PDB entry 3k2z coloured by chain, side view.
PDB entry 3k2z coloured by chain, top view.
Source organism: Thermotoga maritima
Entry authors: Zhang APP, Rice PA

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-128512 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
LexA repressor Chains: A, B
Molecule details ›
Chains: A, B
Length: 196 amino acids
Theoretical weight: 22.72 KDa
Source organism: Thermotoga maritima
Expression system: Escherichia coli
UniProt:
  • Canonical: O33927 (Residues: 3-197; Coverage: 99%)
Gene names: TM_1082, lexA
Sequence domains:
Structure domains:

Ligands and Environments

1 bound ligand:
Ligand GOL 1 x GOL
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 14-BM-C
Spacegroup: C2
Unit cell:
a: 116.77Å b: 62.676Å c: 57.017Å
α: 90° β: 98.98° γ: 90°
R-values:
R R work R free
0.205 0.203 0.231
Expression system: Escherichia coli

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