1epl

X-ray diffraction
2Å resolution

A STRUCTURAL COMPARISON OF 21 INHIBITOR COMPLEXES OF THE ASPARTIC PROTEINASE FROM ENDOTHIA PARASITICA

Released:

Function and Biology Details

Reaction catalysed:
Hydrolysis of proteins with specificity similar to that of pepsin A, prefers hydrophobic residues at P1 and P1', but does not cleave 14-Ala-|-Leu-15 in the B chain of insulin or Z-Glu-Tyr. Clots milk.
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-145947 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Endothiapepsin Chain: E
Molecule details ›
Chain: E
Length: 330 amino acids
Theoretical weight: 33.81 KDa
Source organism: Cryphonectria parasitica
Expression system: Not provided
UniProt:
  • Canonical: P11838 (Residues: 90-419; Coverage: 83%)
Gene names: EAPA, EPN-1
Sequence domains: Eukaryotic aspartyl protease
Structure domains: Acid Proteases
PS1, PRO-LEU-GLU-PSA-ARG-LEU Chain: I
Molecule details ›
Chain: I
Length: 6 amino acids
Theoretical weight: 819 Da
Source organism: Cryphonectria parasitica
Expression system: Not provided

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
Spacegroup: P21
Unit cell:
a: 53.74Å b: 74.11Å c: 45.71Å
α: 90° β: 109.76° γ: 90°
R-values:
R R work R free
0.188 not available not available
Expression system: Not provided