Amino acid composition of elastoidin
- 1 April 1956
- journal article
- research article
- Published by Portland Press Ltd. in Biochemical Journal
- Vol. 62 (4), 621-625
- https://doi.org/10.1042/bj0620621
Abstract
The amino acid composition of elastoidin from the ceratotrichia of Carcharinus melanopterus was determined. The amino acid distribution follows the general pattern character-istic of collagens, and justifies the inclusion of elastoidin in the collagen group of proteins made on the basis of physical studies. Elastoidin differs from other collagens, being rich in tyrosine and containing a significant amount of cystine. These differences may explain the peculiar hydrothermal behavior of elastoidin which distinguishes it from other collagens.Keywords
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