Higher plant light-harvesting complexes LHCIIa and LHCIIc are bound by dicyclohexylcarbodiimide during inhibition of energy dissipation.
We have investigated the binding to proteins of the photosynthetic apparatus of the carboxy-modifying agent dicyclohexylcarbodiimide, (cHxN)2C; this inhibits the protective dissipation of excess absorbed light energy (qE) by the light-harvesting apparatus of photosystem II (LHCII), suggesting that carboxyl amino-acid side chains within hydrophobic protein domains may be involved in qE. (cHxN)2(14)C was used to label thylakoids and photosystem II particles, so as to identify proteins which may...Expand abstract
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