AMINO ACID COMPOSITION AND C-TERMINAL RESIDUES OF ALGAL BILIPROTEINS
- 1 January 1965
- journal article
- research article
- Published by Portland Press Ltd. in Biochemical Journal
- Vol. 94 (1) , 166-170
- https://doi.org/10.1042/bj0940166
Abstract
R-phycoerythrin from Ceramium rubrum and C-phycocyanin from Nostoc muscorum have been obtained in purified form by fractional crystallization, followed by chromatography and gel-filtration. The amino-acid composition of both chromoproteins was determined; 85% of the total weight of both was recovered as amino-acids. Alanine was identified as the only C-terminal amino-acid of R-phycoerythrin, each molecule of which contained about 12 terminal groups. Serine was identified as the only C-terminal group of C-phycocyanin.Keywords
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