Assertion: r phycoerythrin | /r/MadeOf | three γ-subunits
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Source sentences:
text: R-Phycoerythrin from A. sparsum also contained three γ-subunits but with different chromophore compositions: one carried three phycourobilins and two phycoerythrobilins while the other carried four phycourobilins and one phycoerythrobilin.