Taking Advantage of Nonspecific Trypsin Cleavages for the Identification of Seed Storage Proteins in Cereals

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Abstract

The lack of basic amino acids in seed storage proteins has resulted in the proposal to use chymotrypsin in their study. A comparative study of trypsin and chymotrypsin digestion initially confirmed this preference; however, reanalysis of the trypsin data set defining the specificity as 'semitrypsin' provided enough extra data to bridge the gap between both proteases. Rationale as to why numerous semitryptic peptides are observed in the study of these proteins is provided.
Original languageUnknown
Pages (from-to)3182-3190
JournalJournal Of Proteome Research
Volume8
Issue number6
DOIs
Publication statusPublished - 1 Jan 2009

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