CATH Classification

Domain Context

CATH Clusters

Superfamily Trypsin-like serine proteases
Functional Family Cationic trypsin

Enzyme Information

3.4.21.4
Trypsin.
based on mapping to UniProt P00760
Preferential cleavage: Arg-|-Xaa, Lys-|-Xaa.
-!- Belongs to peptidase family S1. -!- Formerly EC 3.4.4.4.

UniProtKB Entries (2)

P00760
TRY1_BOVIN
Bos taurus
Cationic trypsin
P05067
A4_HUMAN
Homo sapiens
Amyloid-beta precursor protein

PDB Structure

PDB 1TAW
External Links
Method X-RAY DIFFRACTION
Organism Escherichia
Primary Citation
Crystal structures of bovine chymotrypsin and trypsin complexed to the inhibitor domain of Alzheimer's amyloid beta-protein precursor (APPI) and basic pancreatic trypsin inhibitor (BPTI): engineering of inhibitors with altered specificities.
Scheidig, A.J., Hynes, T.R., Pelletier, L.A., Wells, J.A., Kossiakoff, A.A.
Protein Sci.
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