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 (2)

P06873
PRTK_PARAQ
Parengyodontium album
Proteinase K
P02788
TRFL_HUMAN
Homo sapiens
Lactotransferrin

PDB Structure

PDB 2HD4
External Links
Method X-RAY DIFFRACTION
Organism
Primary Citation
Crystal structure of proteinase K inhibited by a lactoferrin octapeptide Gly-Asp-Glu-Gln-Gly-Glu-Asn-Lys at 2.15 A resolution
Prem Kumar, R., Singh, A.K., Singh, N., Kaur, P., Sharma, S., Singh, T.P.
To be Published