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Molecular structure of ficin in its A, B, C, and D isoforms. Ficin isoform A has a total structure molecular weight of 47.20 kDa; isoform B has a total weight of 48.56 kDa; isoform C has a total weight of 25.12 kDa; and isoform D has a total weight of 24.50 kDa. Illustrations are from Berman et al. (2000) and are reproduced under a Creative Commons CC BY license.
