X-ray diffraction
1.9Å resolution

Crystal structure of human Dipeptidyl Peptidase III


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:
Cellular component:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Dipeptidyl peptidase 3 Chain: A
Molecule details ›
Chain: A
Length: 728 amino acids
Theoretical weight: 81.77 KDa
Source organism: Homo sapiens
Expression system: Spodoptera frugiperda
  • Canonical: Q9NY33 (Residues: 1-726; Coverage: 99%)
Gene name: DPP3
Sequence domains: Peptidase family M49
Structure domains:

Ligands and Environments

3 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: P21
Unit cell:
a: 49.812Å b: 151.378Å c: 53.721Å
α: 90° β: 100.04° γ: 90°
R R work R free
0.172 0.172 0.219
Expression system: Spodoptera frugiperda