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Article

245 GHz high-field EPR study of tyrosine-D zero and tyrosine-Z zero in mutants of photosystem II.

Biochemistry - 23 Jan 1996

Un S, Tang X S, Diner B A

Abstract excerpt

A 245 GHz 8.7 T high-field EPR study of tyrosine-D (TyrD zero) and tyrosine-Z (TyrZ zero) radicals of photosystem II (PSII) from Synechocystis PCC 6803 was carried out. Identical principal g values for the wild-type Synechocystis and spinach TyrD zero showed that the two radicals were in similar electrostatic environments. By contrast, the principal g values of the TyrD zero in the D2-His189Gln mutant of...

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PMID: 8547247
DOI: 10.1021/bi9523769

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