X-ray diffraction
3Å resolution

Function and Biology Details

Reaction catalysed:
Release of an N-terminal dipeptide, Xaa-Yaa-|-Zaa-, from a polypeptide, preferentially when Yaa is Pro, provided Zaa is neither Pro nor hydroxyproline.
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Dipeptidyl peptidase 9 Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 869 amino acids
Theoretical weight: 99.21 KDa
Source organism: Homo sapiens
Expression system: Spodoptera frugiperda
  • Canonical: Q86TI2 (Residues: 1-863; Coverage: 100%)
Gene names: DPP9, DPRP2
Sequence domains:

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SLS BEAMLINE X06SA
Spacegroup: P21
Unit cell:
a: 120.37Å b: 118.02Å c: 164.46Å
α: 90° β: 105.49° γ: 90°
R R work R free
0.276 0.273 0.334
Expression system: Spodoptera frugiperda