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  • Title: Amino-acid sequence of two trypsin isoinhibitors, ITD I and ITD III from squash seeds (Cucurbita maxima).
    Author: Wilusz T, Wieczorek M, Polanowski A, Denton A, Cook J, Laskowski M.
    Journal: Hoppe Seylers Z Physiol Chem; 1983 Jan; 364(1):93-5. PubMed ID: 6840699.
    Abstract:
    The amino-acid sequences of two trypsin isoinhibitors, ITD I and ITD III, from squash seeds (Cucurbita maxima) were determined. Both isoinhibitors contain 29 amino-acid residues, including 6 half cystine residues. They differ only by one amino acid. Lysine in position 9 of ITD III is substituted by glutamic acid in ITD I. Arginine in position 5 is present at the reactive site of both isoinhibitors. The previously published sequence of ITD III has been shown to be incorrect.
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