X-ray diffraction
2Å resolution

Crystal structure of a putative transcriptional repressor of ribose operon from Staphylococcus saprophyticus subsp. saprophyticus

Entry authors: Bonanno JB, Freeman J, Bain KT, Chang S, Romero R, Smith D, Wasserman S, Sauder JM, Burley SK, Almo SC, New York SGX Research Center for Structural Genomics (NYSGXRC)

Function and Biology Details

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

Structure analysis Details

Assemblies composition:
homo tetramer
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
HTH lacI-type domain-containing protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 277 amino acids
Theoretical weight: 31.38 KDa
Source organism: Staphylococcus saprophyticus subsp. saprophyticus ATCC 15305
Expression system: Escherichia coli BL21(DE3)
  • Canonical: Q49XF6 (Residues: 54-320; Coverage: 83%)
Gene name: SSP1396
Sequence domains: Periplasmic binding protein-like domain
Structure domains: Rossmann fold

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 31-ID
Spacegroup: C2
Unit cell:
a: 81.146Å b: 106.634Å c: 68.183Å
α: 90° β: 112.17° γ: 90°
R R work R free
0.214 0.212 0.259
Expression system: Escherichia coli BL21(DE3)