1eja

X-ray diffraction
2.7Å resolution

STRUCTURE OF PORCINE TRYPSIN COMPLEXED WITH BDELLASTASIN, AN ANTISTASIN-TYPE INHIBITOR

Released:
Source organisms:
Primary publication:
L-Isoaspartate 115 of porcine beta-trypsin promotes crystallization of its complex with bdellastasin.
Acta Crystallogr D Biol Crystallogr 56 581-8 (2000)
PMID: 10771427

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-133389 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Trypsin Chain: A
Molecule details ›
Chain: A
Length: 223 amino acids
Theoretical weight: 23.49 KDa
Source organism: Sus scrofa
UniProt:
  • Canonical: P00761 (Residues: 9-231; Coverage: 97%)
Sequence domains: Trypsin
Structure domains: Trypsin-like serine proteases
Bdellastasin Chain: B
Molecule details ›
Chain: B
Length: 59 amino acids
Theoretical weight: 6.35 KDa
Source organism: Hirudo medicinalis
Expression system: Saccharomyces cerevisiae
UniProt:
  • Canonical: P82107 (Residues: 1-59; Coverage: 100%)
Sequence domains: Antistasin family
Structure domains: Antistasin; domain 1

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RU200
Spacegroup: P41212
Unit cell:
a: 70.02Å b: 70.02Å c: 119.48Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.191 0.191 0.248
Expression system: Saccharomyces cerevisiae