4u2w

X-ray diffraction
1Å resolution

Atomic resolution crystal structure of HV-BBI protease inhibitor from amphibian skin in complex with bovine trypsin

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-133319 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Frog antimicrobial peptide propeptide domain-containing protein Chain: B
Molecule details ›
Chain: B
Length: 16 amino acids
Theoretical weight: 1.84 KDa
Source organism: Odorrana versabilis
Expression system: Not provided
UniProt:
  • Canonical: B1VC43 (Residues: 46-61; Coverage: 40%)
Gene name: bbi
Sequence domains: Frog antimicrobial peptide
Serine protease 1 Chain: A
Molecule details ›
Chain: A
Length: 223 amino acids
Theoretical weight: 23.32 KDa
Source organism: Bos taurus
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

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: PETRA III, EMBL c/o DESY BEAMLINE P13 (MX1)
Spacegroup: P212121
Unit cell:
a: 61.738Å b: 62.993Å c: 68.961Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.096 0.095 0.104
Expression system: Not provided