4l72

X-ray diffraction
3Å resolution

Crystal structure of MERS-CoV complexed with human DPP4

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:
Biological process:
Cellular component:

Structure analysis Details

Assemblies composition:
monomeric
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-151015 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (4 distinct):
Dipeptidyl peptidase 4 Chain: A
Molecule details ›
Chain: A
Length: 728 amino acids
Theoretical weight: 84.46 KDa
Source organism: Homo sapiens
Expression system: Spodoptera frugiperda
UniProt:
  • Canonical: P27487 (Residues: 39-766; Coverage: 95%)
Gene names: ADCP2, CD26, DPP4
Sequence domains:
Structure domains:
Spike glycoprotein Chain: B
Molecule details ›
Chain: B
Length: 204 amino acids
Theoretical weight: 22.49 KDa
Source organism: Middle East respiratory syndrome-related coronavirus
Expression system: Spodoptera frugiperda
UniProt:
  • Canonical: R9UQ53 (Residues: 382-585; Coverage: 15%)
Gene name: S
Sequence domains: Betacoronavirus spike glycoprotein S1, receptor binding
Structure domains:

Ligands and Environments

Carbohydrate polymer : NEW Components: NAG
Carbohydrate polymer : NEW Components: NAG, BMA
1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRF BEAMLINE BL17U
Spacegroup: P6122
Unit cell:
a: 110.609Å b: 110.609Å c: 527.713Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.208 0.205 0.253
Expression system: Spodoptera frugiperda