X-ray diffraction
2.5Å resolution

Crystal structure of Mycobacterium tuberculosis dethiobiotin synthetase in complex with cytidine triphosphate solved by precipitant-ligand exchange (crystals grown in citrate precipitant)


Function and Biology Details

Reaction catalysed:
ATP + 7,8-diaminononanoate + CO(2) = ADP + phosphate + dethiobiotin
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Dethiobiotin synthetase BioD Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 235 amino acids
Theoretical weight: 23.47 KDa
Source organism: Mycobacterium tuberculosis H37Rv
Expression system: Escherichia coli BL21
  • Canonical: P9WPQ5 (Residues: 2-226; Coverage: 100%)
Gene names: MTCY336.33c, Rv1570, bioD
Sequence domains: AAA domain
Structure domains: P-loop containing nucleotide triphosphate hydrolases

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: LNLS BEAMLINE D03B-MX1
Spacegroup: P212121
Unit cell:
a: 56.68Å b: 105.7Å c: 153.26Å
α: 90° β: 90° γ: 90°
R R work R free
0.22 0.217 0.288
Expression system: Escherichia coli BL21