Evidence that the C-terminus of the D1 polypeptide of photosystem 11 is ligated to the manganese ion that undergoes oxidation during the S1 to S2 transition: An isotope edited FTIR study

Chu, H-AHillier, WarwickDebus, Richard John2015-12-132015-12-130006-2960http://hdl.handle.net/1885/79372Isotope-edited FTIR difference spectroscopy was employed to determine if the C-terminal α-COO- group of the D1 polypeptide ligates the (Mn)4 cluster in photosystem II (PSII) and, if so, if it ligates the Mn ion that undergoes an oxidation during the S1 �Keywords: Cells; Fourier transform infrared spectroscopy; Isotopes; Natural frequencies; Oxidation; Polypeptides; Peptides; Photosystems; Biochemistry; alanine; carbon 13; carbonyl derivative; manganese; polypeptide; tyrosine; article; autotrophy; carboxy terminalEvidence that the C-terminus of the D1 polypeptide of photosystem 11 is ligated to the manganese ion that undergoes oxidation during the S1 to S2 transition: An isotope edited FTIR study200410.1021/bi035915f2015-12-11