1.3.1.75 down irradiation of intense red light suppresses the activity of the enzyme 765263 1.3.1.75 additional information generation of an enzyme BciA knockout mutant and recombinant expression of Synechocystis sp. PCC6803 gene bciB in the mutant, gene bciB is unable to restore the accumulation of pigments containing groups reduced at the C8 position -, 744270