PDBe 3lwb

X-ray diffraction
2.1Å resolution

Crystal Structure of apo D-alanine:D-alanine Ligase (Ddl) from Mycobacterium tuberculosis


Function and Biology Details

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
D-alanine--D-alanine ligase Chains: A, B
Molecule details ›
Chains: A, B
Length: 373 amino acids
Theoretical weight: 39.75 KDa
Source organism: Mycobacterium tuberculosis
Expression system: Escherichia coli
  • Canonical: P9WP31 (Residues: 1-373; Coverage: 100%)
Gene names: MTCY349.06, Rv2981c, ddl, ddlA
Sequence domains:
Structure domains:

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 23-ID-B
Spacegroup: P21
Unit cell:
a: 51.72Å b: 108.302Å c: 69.064Å
α: 90° β: 99.92° γ: 90°
R R work R free
0.173 0.173 0.221
Expression system: Escherichia coli