3peb

X-ray diffraction
1.86Å resolution

The Structure of a Creatine_N Superfamily domain of a dipeptidase from Streptococcus thermophilus.

Released:
Entry authors: Cuff ME, Mack JC, Clancy S, Joachimiak A, Midwest Center for Structural Genomics (MCSG)

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Dipeptidase Chain: A
Molecule details ›
Chain: A
Length: 137 amino acids
Theoretical weight: 15.82 KDa
Source organism: Streptococcus thermophilus LMG 18311
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: Q5M567 (Residues: 1-134; Coverage: 37%)
Gene names: pepQ, stu0629
Sequence domains: Creatinase/Prolidase N-terminal domain
Structure domains: Creatinase/prolidase N-terminal domain

Ligands and Environments

3 bound ligands:

1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-BM
Spacegroup: P6122
Unit cell:
a: 70.503Å b: 70.503Å c: 160.388Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.171 0.17 0.19
Expression system: Escherichia coli BL21