2aj8

X-ray diffraction
2.11Å resolution

Porcine dipeptidyl peptidase IV (CD26) in complex with 7-Benzyl-1,3-dimethyl-8-piperazin-1-yl-3,7-dihydro-purine-2,6-dione (BDPX)

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

Assemblies composition:
homo dimer (preferred)
homo tetramer
Assembly name:
PDBe Complex ID:
PDB-CPX-149624 (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
3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: MPG/DESY, HAMBURG BEAMLINE BW6
Spacegroup: P1
Unit cell:
a: 63.11Å b: 118.96Å c: 133.76Å
α: 112.79° β: 95.74° γ: 90.63°
R-values:
R R work R free
0.197 0.197 0.239