4b1t

X-ray diffraction
1.78Å resolution

Structure of the factor Xa-like trypsin variant triple-Ala (TA) in complex with eglin C

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-133326 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Serine protease 1 Chains: A, C
Molecule details ›
Chains: A, C
Length: 223 amino acids
Theoretical weight: 23.35 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
Eglin C Chains: B, D
Molecule details ›
Chains: B, D
Length: 70 amino acids
Theoretical weight: 8.12 KDa
Source organism: Hirudo medicinalis
Expression system: Escherichia coli
UniProt:
  • Canonical: P01051 (Residues: 1-70; Coverage: 100%)
Sequence domains: Potato inhibitor I family
Structure domains: Trypsin Inhibitor V, subunit A

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: EMBL/DESY, HAMBURG BEAMLINE X12
Spacegroup: P21
Unit cell:
a: 78.33Å b: 36.88Å c: 103.97Å
α: 90° β: 103.27° γ: 90°
R-values:
R R work R free
0.185 0.184 0.219
Expression system: Escherichia coli