X-ray diffraction
1.77Å resolution

Crystal structure of a 4-carboxymuconolactone decarboxylase

Source organism: Sinorhizobium meliloti 1021
Entry authors: Hickey HD, Mcgillick BE, Eswaramoorthy S, Chamala S, Evans B, Foti R, Gizzi A, Hillerich B, Kar A, Lafleur J, Seidel R, Villigas G, Zencheck W, Almo SC, Swaminathan S, New York Structural Genomics Research Consortium (NYSGRC)

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo trimer (preferred)
Entry contents:
1 distinct polypeptide molecule
4-carboxymuconolactone decarboxylase Chain: A
Molecule details ›
Chain: A
Length: 269 amino acids
Theoretical weight: 29.78 KDa
Source organism: Sinorhizobium meliloti 1021
Expression system: Escherichia coli BL21
  • Canonical: Q930A6 (Residues: 1-247; Coverage: 100%)
Gene name: SMa0559
Sequence domains: Carboxymuconolactone decarboxylase family
Structure domains: AhpD-like

Ligands and Environments

No bound ligands
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X29A
Spacegroup: R3
Unit cell:
a: 104.345Å b: 104.345Å c: 63.191Å
α: 90° β: 90° γ: 120°
R R work R free
0.175 0.175 0.192
Expression system: Escherichia coli BL21