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Porphyra perforata

The origin of the sulfuric acid group of the galactan is not known. However, in this connection, it is of interest to compare the structure of active sulfate (adenylyl sulfate 3 -phosphate), which is known to be a sulfate donor, " with that of the adenosine 3, 5 -pyrophosphate discovered in Porphyra perforata The adenosine 3, 5 -pyrophosphate in this alga may possibly activate the inorganic sulfate, causing the formation of active sulfate, which then eflFects the enzymic sulfation of the polysaccharide. [Pg.405]

See other pages where Porphyra perforata is mentioned: [Pg.319]    [Pg.404]    [Pg.404]    [Pg.1781]    [Pg.319]    [Pg.404]    [Pg.404]    [Pg.1781]    [Pg.143]   


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Porphyra

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