Characterization of site-directed mutants in manganese-stabilizing protein (MSP) of Synechocystis sp. PCC6803 unable to grow photoautotrophically in the absence of cytochrome c-550.

Abstract excerpt

To investigate the interaction between the manganese-stabilizing protein (MSP) and cytochrome c-550 (cyt. c-550) of the photosystem II (PSII) complex in the cyanobacterium Synechocystis sp. PCC6803, three site-directed amino acid substitution mutants in MSP (MSP-D159N, MSP-R163L, MSP-D 159N/R 163L) were created by single and double amino acid substitution mutagenesis. The modified psbO genes encoding the mutants...

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