4niy

X-ray diffraction
2.84Å resolution

Crystal structure of trypsiligase (K60E/N143H/Y151H/D189K trypsin) complexed to YRH-ecotin (M84Y/M85R/A86H ecotin)

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-133333 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Serine protease 1 Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 223 amino acids
Theoretical weight: 23.34 KDa
Source organism: Bos taurus
Expression system: Escherichia coli
UniProt:
  • Canonical: P00760 (Residues: 24-246; Coverage: 97%)
Gene names: PRSS1, TRP1, TRY1, TRYP1
Sequence domains: Trypsin
Structure domains: Trypsin-like serine proteases
Ecotin Chains: E, F, G, H
Molecule details ›
Chains: E, F, G, H
Length: 142 amino acids
Theoretical weight: 16.25 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli
UniProt:
  • Canonical: P23827 (Residues: 21-162; Coverage: 100%)
Gene names: JW2197, b2209, eco, eti
Sequence domains: Ecotin
Structure domains: Ecotin

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: BESSY BEAMLINE 14.1
Spacegroup: P21
Unit cell:
a: 94.241Å b: 78.615Å c: 98.084Å
α: 90° β: 96.62° γ: 90°
R-values:
R R work R free
0.195 0.192 0.252
Expression system: Escherichia coli