3mk5

X-ray diffraction
2.06Å resolution

Crystal structure of 3,4-dihydroxy-2-butanone 4-phosphate synthase domain from Mycobacterium tuberculosis with sulfate and zinc at pH 4.00

Released:

Function and Biology Details

Reactions catalysed:
GTP + 4 H(2)O = formate + 2,5-diamino-6-hydroxy-4-(5-phospho-D-ribosylamino)pyrimidine + 2 phosphate
D-ribulose 5-phosphate = formate + L-3,4-dihydroxybutan-2-one 4-phosphate
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-107733 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Riboflavin biosynthesis protein RibBA Chain: A
Molecule details ›
Chain: A
Length: 212 amino acids
Theoretical weight: 22.86 KDa
Source organism: Mycobacterium tuberculosis H37Ra
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: A5U2B7 (Residues: 1-206; Coverage: 49%)
Gene names: MRA_1424, ribBA
Sequence domains: 3,4-dihydroxy-2-butanone 4-phosphate synthase
Structure domains: DHBP synthase

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU MICROMAX-007 HF
Spacegroup: P61
Unit cell:
a: 65.442Å b: 65.442Å c: 87.74Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.194 0.192 0.236
Expression system: Escherichia coli BL21(DE3)