› 3uns

X-ray diffraction
1.8Å resolution

Bovine trypsin variant X(triplePhe227) in complex with small molecule inhibitor

Released:
DOI: 10.2210/pdb3uns/pdb
PDB entry 3uns coloured by chain, front view.
PDB entry 3uns coloured by chain, side view.
PDB entry 3uns coloured by chain, top view.
Source organism: Bos taurus
Primary publication:
Correlating structure and ligand affinity in drug discovery: a cautionary tale involving second shell residues.
Tziridis A, Rauh D, Neumann P, Kolenko P, Menzel A, Bräuer U, Ursel C, Steinmetzer P, Stürzebecher J, Schweinitz A, Steinmetzer T, Stubbs MT
Biol Chem 395 891-903 (2014)
PMID: 25003390

Function and Biology Details

Reaction catalysed: 
Preferential cleavage: Arg-|-, Lys-|-.
Biochemical function:
Biological process:
Cellular component:
Sequence domains:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-133319 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Serine protease 1 Chain: A
Molecule details ›
Chain: A
Length: 223 amino acids
Theoretical weight: 23.41 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

Ligands and Environments

4 bound ligands:
Ligand CA 1 x CA
Ligand ANH 1 x ANH
Ligand SO4 2 x SO4
Ligand GOL 1 x GOL
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU
Spacegroup: P212121
Unit cell:
a: 54.274Å b: 57.183Å c: 66.885Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.179 0.175 0.228
Expression system: Escherichia coli

Quick links

Citations

5 citation in other articles

Structure-Based Macrocyclization of Substrate Analogue NS2B-NS3 Protease Inhibitors of Zika, West Nile and Dengue viruses.
Braun et al. (2020)
4 more