› 1xn1

X-ray diffraction
3.05Å resolution

Crystal Structure Of Lumazine Synthase From Brucella Abortus (Orthorhombic Form At 3.05 Angstroms)

Released:
DOI: 10.2210/pdb1xn1/pdb
PDB entry 1xn1 coloured by chain, front view.
PDB entry 1xn1 coloured by chain, side view.
PDB entry 1xn1 coloured by chain, top view.
Source organism: Brucella abortus
Primary publication:
Crystallographic studies on decameric Brucella spp. Lumazine synthase: a novel quaternary arrangement evolved for a new function?
Klinke S, Zylberman V, Vega DR, Guimarães BG, Braden BC, Goldbaum FA
J Mol Biol 353 124-37 (2005)
PMID: 16165152

Function and Biology Details

Reaction catalysed: 
1-deoxy-L-glycero-tetrulose 4-phosphate + 5-amino-6-(D-ribitylamino)uracil = 6,7-dimethyl-8-(D-ribityl)lumazine + 2 H(2)O + phosphate
Biochemical function:
Biological process:
Cellular component:
Sequence domains:

Structure analysis Details

Assembly composition:
homo decamer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-158310 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
6,7-dimethyl-8-ribityllumazine synthase 2 Chains: A, B, C, D, E, F, G, H, I, J
Molecule details ›
Chains: A, B, C, D, E, F, G, H, I, J
Length: 158 amino acids
Theoretical weight: 17.38 KDa
Source organism: Brucella abortus
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P61711 (Residues: 1-158; Coverage: 100%)
Gene names: BruAb2_0535, ribH, ribH-2, ribH2
Sequence domains: 6,7-dimethyl-8-ribityllumazine synthase
Structure domains: Lumazine/riboflavin synthase

Ligands and Environments

3 bound ligands:
Ligand PO4 24 x PO4
Ligand NA 7 x NA
Ligand SO4 15 x SO4
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: LNLS BEAMLINE D03B-MX1
Spacegroup: P212121
Unit cell:
a: 116.554Å b: 120.238Å c: 159.372Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.202 0.199 0.256
Expression system: Escherichia coli BL21(DE3)

Quick links

Citations

5 review citations

Overlapping riboflavin supply pathways in bacteria.
García-Angulo VA. (2017)
4 more

4 mentions without citation

Second career of a biosynthetic enzyme: Lumazine synthase as a virus-like nanoparticle in vaccine development.
Ladenstein et al. (2020)
3 more