PDBe 1xfc

X-ray diffraction
1.9Å resolution

The 1.9 A crystal structure of alanine racemase from Mycobacterium tuberculosis contains a conserved entryway into the active site


Function and Biology Details

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Alanine racemase Chains: A, B
Molecule details ›
Chains: A, B
Length: 384 amino acids
Theoretical weight: 40.77 KDa
Source organism: Mycobacterium tuberculosis
Expression system: Escherichia coli BL21
  • Canonical: P9WQA9 (Residues: 3-386; Coverage: 100%)
Gene names: MTCY78.06, Rv3423c, alr
Sequence domains:
Structure domains:

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: CHESS BEAMLINE F1
Spacegroup: P41212
Unit cell:
a: 164.78Å b: 164.78Å c: 57.88Å
α: 90° β: 90° γ: 90°
R R work R free
0.214 0.204 0.254
Expression system: Escherichia coli BL21