Biliproteins of cyanobacteria and Rhodophyta: Homologous family of photosynthetic accessory pigments

AUTOR(ES)

Glazer, Alexander N.

RESUMO

Amino-terminal sequence determinations are reported of the subunits of biliproteins of prokaryotic unicellular and filamentous cyanobacteria and of eukaryotic unicellular red algae. The biliproteins examined, allophycocyanin, C-phycocyanin, R-phycocyanin, b-phycoerythrin, and phycoerythrocyanin, vary with respect to the chemical nature and the number and distribution of the bilin chromophores between the two dissimilar subunits. The amino-terminal sequences fall into two classes, “α-type” and “β-type”, with a high degree of homology within each class.

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