X-ray diffraction
2.1Å resolution

Crystal Structure of Carboxymuconolactone Decarboxylase Family Protein SMU.961 from Streptococcus mutans

Source organism: Streptococcus mutans
Entry authors: Kim Y, Xu X, Cui H, Chin S, Edwards A, Savchenko A, Joachimiak A, Midwest Center for Structural Genomics (MCSG)

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
CMD domain-containing protein Chains: A, B, C, D, E, F
Molecule details ›
Chains: A, B, C, D, E, F
Length: 207 amino acids
Theoretical weight: 22.83 KDa
Source organism: Streptococcus mutans
Expression system: Escherichia coli BL21
  • Canonical: Q8DUG8 (Residues: 1-183; Coverage: 100%)
Gene name: SMU_961
Sequence domains: Carboxymuconolactone decarboxylase family
Structure domains: AhpD-like

Ligands and Environments

3 bound ligands:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-BM
Spacegroup: C2
Unit cell:
a: 97.996Å b: 73.741Å c: 183.708Å
α: 90° β: 98.68° γ: 90°
R R work R free
0.187 0.184 0.236
Expression system: Escherichia coli BL21