SCAN0059 - Phycobiliproteins and phycobilisomes 130...

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Unformatted text preview: Phycobiliproteins and phycobilisomes 130 Phycobiliproteins = also found in red algae and cyanobacteria - open-chain tetrapyrroles 2 S’g‘fiingfiiefiiEQléc‘EfluTr'“ (550nm), phycocyanln (630 nm) Ulmflr WWW‘Q} N'W 0 CH3 HN Allo ' ' phycocyamn Phycocyanrn CH~CH3 ' HC Q3 m CH3 % 3 «a W GHQ—CH2—-COOH : _ f _, “3 7 ” *- ffiwafrotéinv , “CHE—GHg—cbOH , a ‘ " a , : : l . z I CH3 -CH3 Thylakoid Energy transfer CHE—CH3 membrane to reaction centers 0 (a) Phycocyanin (b) WSPhycobilisomes = aggregates of phycobiliproteins attached to lamellar photosynthetic membranes, increase linearly with decreasing light intensity (note arrows) (it :5 9633) L) lvzw‘iai.s;§2’§aaef law/fr iWSY’ ‘3:qu ( ...
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