1ezs

X-ray diffraction
2.3Å resolution

CRYSTAL STRUCTURE OF ECOTIN MUTANT M84R, W67A, G68A, Y69A, D70A BOUND TO RAT ANIONIC TRYPSIN II

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
PDBe Complex ID:
PDB-CPX-133402 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Ecotin Chains: A, B
Molecule details ›
Chains: A, B
Length: 142 amino acids
Theoretical weight: 15.91 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P23827 (Residues: 21-162; Coverage: 100%)
Gene names: JW2197, b2209, eco, eti
Sequence domains: Ecotin
Structure domains: Ecotin
Anionic trypsin-2 Chains: C, D
Molecule details ›
Chains: C, D
Length: 223 amino acids
Theoretical weight: 23.81 KDa
Source organism: Rattus norvegicus
Expression system: Saccharomyces cerevisiae
UniProt:
  • Canonical: P00763 (Residues: 24-246; Coverage: 97%)
Gene names: Prss2, Try2
Sequence domains: Trypsin
Structure domains: Trypsin-like serine proteases

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RU200
Spacegroup: P1
Unit cell:
a: 45.828Å b: 59.682Å c: 71.044Å
α: 103.574° β: 93.274° γ: 94.621°
R-values:
R R work R free
0.188 0.188 0.235
Expression systems:
  • Escherichia coli
  • Saccharomyces cerevisiae