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CATH Classification

Domain Context

CATH Clusters

Superfamily Cysteine proteinases
Functional Family

Enzyme Information

3.4.22.25
Glycyl endopeptidase.
based on mapping to UniProt P05994
Preferential cleavage: Gly-|-Xaa, in proteins and in small molecule substrates.
-!- From the papaya plant, Carica papaya. -!- Not inhibited by chicken cystatin, unlike most other homologs of papain. -!- Belongs to peptidase family C1.

UniProtKB Entries (1)

P05994
PAPA4_CARPA
Carica papaya
Papaya proteinase 4

PDB Structure

PDB 1GEC
External Links
Method X-RAY DIFFRACTION
Organism
Primary Citation
Crystal structure of glycyl endopeptidase from Carica papaya: a cysteine endopeptidase of unusual substrate specificity.
O'Hara, B.P., Hemmings, A.M., Buttle, D.J., Pearl, L.H.
Biochemistry
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