Open AccessPsychrophile C-Phycocyanin
Author(s) -
Stephen M. Adams,
Oranda H. W. Kao,
Donald S. Berns
Publication year - 1979
Publication title -
plant physiology
Language(s) - Uncategorized
Resource type - Journals
SCImago Journal Rank - 3.554
H-Index - 312
eISSN - 1532-2548
pISSN - 0032-0889
DOI - 10.1104/pp.64.4.525
Subject(s) - random hexamer , trimer , phycocyanin , thermophile , mesophile , algae , protein quaternary structure , chemistry , ionic strength , psychrophile , biochemistry , protein subunit , biology , botany , cyanobacteria , organic chemistry , bacteria , enzyme , dimer , aqueous solution , gene , genetics
C-Phycocyanin was purified from an alga isolated in the Antarctic in 1968 and grown since that time in our laboratory at 4 C. Certain of its spectroscopic and immunochemical properties were studied, along with detailed examinations of its chemical composition and quaternary structure. The hexamer-trimer equilibrium in the protein solution was studied as a function of pH, ionic strength, temperature, and susceptibility to certain small molecules. A major emphasis of the work was placed on a comparison of its protein-protein interactions with those of C-phycocyanins from both mesophilic and thermophilic algae.
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