ISOLATION AND CHARACTERIZATION OF CYANOGEN BROMIDE FRAGMENTS OF THE A AND B CHAINS OF THE ANTITUMOR TOXIN RICIN D
- 1 September 1980
- journal article
- Published by Wiley in International Journal of Peptide and Protein Research
- Vol. 16 (3), 208-218
- https://doi.org/10.1111/j.1399-3011.1980.tb02954.x
Abstract
Both the A and B chains of ricin D consist of four CNBr fragments. These fragments have been isolated from the separated chains of S-carboxymethylated ricin D obtained from the small bean variety of Ricinus communis. The peptides have been characterized by molecular weight, amino acid composition and amino terminal sequence. A unique order of the peptides is evident for each chain. These sequence data are compared with those obtained for ricin D isolated from the large bean variety.Keywords
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