5na6

X-ray diffraction
1.9Å resolution

Structure of Cys-null Se-Met DPP III from Bacteroides thetaiotaomicron

Released:

Function and Biology Details

Reaction catalysed:
Release of an N-terminal dipeptide from a peptide comprising four or more residues, with broad specificity. Also acts on dipeptidyl 2-naphthylamides.
Biochemical function:
Biological process:
  • not assigned
Cellular component:
Sequence domain:

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-183719 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Dipeptidyl-peptidase III Chain: A
Molecule details ›
Chain: A
Length: 683 amino acids
Theoretical weight: 77.69 KDa
Source organism: Bacteroides thetaiotaomicron VPI-5482
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q8A6N1 (Residues: 1-675; Coverage: 100%)
Gene name: BT_1846
Sequence domains: Peptidase family M49

Ligands and Environments

1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: ELETTRA BEAMLINE 5.2R
Spacegroup: P3121
Unit cell:
a: 103.442Å b: 103.442Å c: 141.225Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.174 0.173 0.2
Expression system: Escherichia coli BL21(DE3)