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ＳｕｂｕｎｉｔｃｏｍｐｏｓｉｔｉｏｎａｎｄｃｈｒｏｍｏｐｈｏｒｅｃｏｎｔｅｎｔｏｆＲ－ｐｈｙｃｏｃｙａｎｉｎａｎｄａｌｌｏｐｈｙｃｏｃｙａｎｉｎｆｒｏｍＰｏｒｐｈｙｒａｈａｉｔａｎｅｎｓｉｓ￥ＧａｏＨｏｎｇｆｅｎｇ；ＣａｏＷｅｎｄａａｎｄＪｉＭｉｎｇ... 相似文献
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R-phycoerythrin fromPorphyra haitanensis exists in two aggregation states with different molecular weights. A more highly aggregated form, RPE I, was chromatographed
on Bio-Rex 70 column with urea solution (pH 3.0) as eluent, and the molecular weights of the 3 subunits (α, β, γ) obtained
were determined on SDS-PAGE at 18000, 19200 and 30000, respectively. α subunit carried two phycoerythrobilin (PEB); β subunit,
three PEB and one phycourobilin (PUB); γ subunit, one PEB and three PUB chromophores. The molar ratio of α, β, and γ subunits
of RPE I was 6: 6: 1, and their subunit composition was confired to be (αβ)6γ on account of the molecular weight of RPE I, 232000.
A lower aggregated form, RPE II, contained α and β subunits similar to those of RPE I, but its subunit composition was the
(αβ) monomer of RPE.
Contribution No. 2108 from the Institute of Oceanology, Chinese Academy of Sciences 相似文献
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