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Subunit Structure of the Phycobiliproteins of Blue-Green Algae
A. N. Glazer and Germaine Cohen-Bazire
Proceedings of the National Academy of Sciences of the United States of America
Vol. 68, No. 7 (Jul., 1971), pp. 1398-1401
Published by: National Academy of Sciences
Stable URL: http://www.jstor.org/stable/60704
Page Count: 4
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The phycobiliproteins of the blue-green algae Synechococcus sp. and Aphanocapsa sp. were characterized with respect to homogeneity, isoelectric point, and subunit composition. Each of the biliproteins consisted of two different noncovalently associated subunits, with molecular weights of about 20,000 and 16,000 for phyco-cyanin, 17,500 and 15,500 for allophycocyanin, and 22,000 and 20,000 for phycoerythrin. Covalently bound chromophore was associated with each subunit.
Proceedings of the National Academy of Sciences of the United States of America © 1971 National Academy of Sciences