PDBe 1khp

X-ray diffraction
2Å resolution

Monoclinic form of papain/ZLFG-DAM covalent complex


Function and Biology Details

Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Papain Chain: A
Molecule details ›
Chain: A
Length: 212 amino acids
Theoretical weight: 23.45 KDa
Source organism: Carica papaya
  • Best match: P00784 (Residues: 134-345)
peptidic inhibitor Chain: I
Molecule details ›
Chain: I
Length: 5 amino acids
Theoretical weight: 512 Da
Source organism: Synthetic construct
Expression system: Not provided

Ligands and Environments

No bound ligands

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: MACSCIENCE
Spacegroup: P21
Unit cell:
a: 42.44Å b: 48.93Å c: 52.69Å
α: 90° β: 112.42° γ: 90°
R R work R free
0.185 0.18 0.229
Expression system: Not provided