No evidence from FTIR Difference Spectroscopy That Aspartate-170 of the D1 Polypeptide Ligates a Manganese Ion That Undergoes Oxidation during the S0 to S1, S1 to S2, or S2 to S3 Transitions in Photosystem II

Debus, Richard JohnStrickler, Melodie AWalker, Lee MHillier, Warwick2015-12-130006-2960http://hdl.handle.net/1885/80620On the basis of mutagenesis and X-ray crystallographic studies, Asp170 of the D1 ppolypeptide is widely believed to ligate the (Mn)4 cluster that is located at the catalytic site of water oxidation in photosystem II. Recent proposals for the mechanism ofKeywords: Crystallography; Fourier transform infrared spectroscopy; Manganese; Oxidation; Water; X rays; Critical steps; Water oxidation; Mutagenesis; aspartic acid; carboxylic acid; manganese; water; article; cell cycle S phase; chemical binding; controlled study;No evidence from FTIR Difference Spectroscopy That Aspartate-170 of the D1 Polypeptide Ligates a Manganese Ion That Undergoes Oxidation during the S0 to S1, S1 to S2, or S2 to S3 Transitions in Photosystem II200510.1021/bi047558u2015-12-11