1tgs

X-ray diffraction
1.8Å resolution

THREE-DIMENSIONAL STRUCTURE OF THE COMPLEX BETWEEN PANCREATIC SECRETORY INHIBITOR (KAZAL TYPE) AND TRYPSINOGEN AT 1.8 ANGSTROMS RESOLUTION. STRUCTURE SOLUTION, CRYSTALLOGRAPHIC REFINEMENT AND PRELIMINARY STRUCTURAL INTERPRETATION

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-133322 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Serine protease 1 Chain: Z
Molecule details ›
Chain: Z
Length: 229 amino acids
Theoretical weight: 24.01 KDa
Source organism: Bos taurus
Expression system: Not provided
UniProt:
  • Canonical: P00760 (Residues: 18-246; Coverage: 100%)
Gene names: PRSS1, TRP1, TRY1, TRYP1
Sequence domains: Trypsin
Structure domains: Trypsin-like serine proteases
Serine protease inhibitor Kazal-type 1 Chain: I
Molecule details ›
Chain: I
Length: 56 amino acids
Theoretical weight: 6.03 KDa
Source organism: Sus scrofa
Expression system: Not provided
UniProt:
  • Canonical: P00998 (Residues: 1-56; Coverage: 100%)
Gene names: PSTI, SPINK1
Sequence domains: Kazal-type serine protease inhibitor domain
Structure domains: Wheat Germ Agglutinin (Isolectin 2); domain 1

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
Spacegroup: P212121
Unit cell:
a: 67.1Å b: 75.5Å c: 66.9Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.186 0.186 not available
Expression system: Not provided