3.4.22.25 30152 Three-dimensional structure and thiol reactivity characteristics of chymopapain M (papaya proteinase IV) Biochem. Soc. Trans. 18 934-935 1990 Carica papaya http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=2083746&form=6&db=m