Chymotryptic inhibitor I from potatoes. The amino acid sequence of subunit A*
- 1 January 1974
- journal article
- Published by Portland Press Ltd. in Biochemical Journal
- Vol. 137 (1), 101-112
- https://doi.org/10.1042/bj1370101
Abstract
The amino acid sequence of subunit A of the potato chymotryptic inhibitor I was determined. The sequence was deduced from analysis of fragments and peptides derived from the protein by cleavage with cyanogen bromide, N-bromosuccinimide and dilute acid, and by digestion with trypsin, thermolysin, pepsin and papain. The molecule consists of a single polypeptide chain of 84 residues, which contains two homologous regions each of 13 amino acids. The protein does not appear to be homologous with any other known proteinase inhibitors.Keywords
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