› 3lwb

X-ray diffraction
2.1Å resolution

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

Released:
DOI: 10.2210/pdb3lwb/pdb
PDB entry 3lwb coloured by chain, front view.
PDB entry 3lwb coloured by chain, side view.
PDB entry 3lwb coloured by chain, top view.
Source organism: Mycobacterium tuberculosis
Primary publication:
Structure of the Mycobacterium tuberculosis D-alanine:D-alanine ligase, a target of the antituberculosis drug D-cycloserine.
Bruning JB, Murillo AC, Chacon O, Barletta RG, Sacchettini JC
Antimicrob Agents Chemother 55 291-301 (2011)
PMID: 20956591

Function and Biology Details

Reaction catalysed: 
ATP + 2 D-alanine = ADP + phosphate + D-alanyl-D-alanine
Biochemical function:
Biological process:
Cellular component:
Sequence domains:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-161920 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
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
UniProt:
  • Canonical: P9WP31 (Residues: 1-373; Coverage: 100%)
Gene names: MTCY349.06, Rv2981c, ddl, ddlA
Sequence domains:
Structure domains:

Ligands and Environments

1 bound ligand:
Ligand NO3 2 x NO3
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-values:
R R work R free
0.173 0.173 0.221
Expression system: Escherichia coli

Quick links

Citations

20 review citations

Advances in the development of new tuberculosis drugs and treatment regimens.
Zumla et al. (2013)
19 more

2 mentions without citation

Structure of the Mycobacterium tuberculosis D-alanine:D-alanine ligase, a target of the antituberculosis drug D-cycloserine.
Bruning et al. (2011)
1 more