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N-Terminal homology in three cysteinyl proteases from Papaya latex.
Sequences to residue 17 have been determined for the three Papaya cysteinyl proteases, chymopapain and papaya peptidase A and B. Extensive homologies were found for these three enzymes and with papain and bromelain. These results suggest that the five sulphydryl enzymes discussed derive from a common ancestral gene.
PMID: 518921 [PubMed - indexed for MEDLINE]
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Cited by 3 PubMed Central articles