CATH Classification

Domain Context

CATH Clusters

Superfamily Peptidase S8/S53 domain
Functional Family Proteinase K

Enzyme Information

3.4.21.64
Peptidase K.
based on mapping to UniProt P06873
Hydrolysis of keratin, and of other proteins with subtilisin-like specificity. Hydrolyzes peptide amides.
-!- From the mold Tritirachium album Limber. -!- Contains two disulfide bridges and one free Cys near the active site His. -!- Belongs to peptidase family S8. -!- Formerly EC 3.4.4.16 and EC 3.4.21.14.

UniProtKB Entries (1)

P06873
PRTK_PARAQ
Parengyodontium album
Proteinase K

PDB Structure

PDB 1PJ8
External Links
Method X-RAY DIFFRACTION
Organism
Primary Citation
Structure of a ternary complex of proteinase K, mercury, and a substrate-analogue hexa-peptide at 2.2 A resolution
Saxena, A.K., Singh, T.P., Peters, K., Fittkau, S., Visanji, M., Wilson, K.S., Betzel, C.
Proteins