1orw

X-ray diffraction
2.84Å resolution

Crystal Structure of Porcine Dipeptidyl Peptidase IV (CD26) in Complex with a Peptidomimetic Inhibitor

Released:

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:
Cellular component:

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-149625 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecules (3 distinct):
Dipeptidyl peptidase 4 Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 728 amino acids
Theoretical weight: 84.43 KDa
Source organism: Sus scrofa
UniProt:
  • Canonical: P22411 (Residues: 39-766; Coverage: 95%)
Gene names: CD26, DPP4
Sequence domains:
Structure domains:

Ligands and Environments

Carbohydrate polymer : NEW Components: NAG
Carbohydrate polymer : NEW Components: NAG, BMA
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: MPG/DESY, HAMBURG BEAMLINE BW6
Spacegroup: P1
Unit cell:
a: 61.97Å b: 117.71Å c: 133.56Å
α: 112.65° β: 94.81° γ: 91.17°
R-values:
R R work R free
0.187 0.187 0.246