Amino-acid sequence of two trypsin isoinhibitors, ITD I and ITD III from squash seeds (Cucurbita maxima).
Wilusz T., Wieczorek M., Polanowski A., Denton A., Cook J., Laskowski M. Jr.
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.
Hoppe-Seyler's Z. Physiol. Chem. 364:93-95(1983) [ PubMed | SRS | CiteXplore ]
