CATH Classification

Domain Context

CATH Clusters

Superfamily Peptidase S8/S53 domain
Functional Family Tk-subtilisin

Enzyme Information

3.4.21.62
Subtilisin.
based on mapping to UniProt P04189
Hydrolysis of proteins with broad specificity for peptide bonds, and a preference for a large uncharged residue in P1. Hydrolyzes peptide amides.
-!- Subtilisin is a serine endopeptidase that evolved independently of chymotrypsin. -!- It contains no cysteine residues (although these are found in homologous enzymes). -!- Species variants include subtilisin BPN' (also subtilisin B, subtilopeptidase C, nagarse, nagarse proteinase, subtilisin Novo, bacterial proteinase Novo) and subtilisin Carlsberg (subtilisin A, subtilopeptidase A, alcalase Novo). -!- Similar enzymes are produced by various Bacillus subtilis strains and other Bacillus species. -!- Belongs to peptidase family S8. -!- Formerly EC 3.4.4.16 and EC 3.4.21.14.

UniProtKB Entries (1)

P04189
SUBT_BACSU
Bacillus subtilis subsp. subtilis str. 168
Subtilisin E

PDB Structure

PDB 1SCJ
External Links
Method X-RAY DIFFRACTION
Organism Escherichia
Primary Citation
The crystal structure of an autoprocessed Ser221Cys-subtilisin E-propeptide complex at 2.0 A resolution.
Jain, S.C., Shinde, U., Li, Y., Inouye, M., Berman, H.M.
J.Mol.Biol.