Requirement for Asn298 on D1 protein for oxygen evolution: analyses by exhaustive amino acid substitution in the green alga Chlamydomonas reinhardtii.


PSII generates strong oxidants used for water oxidation. The secondary electron donor, Y(Z), is Tyr161 on PSII reaction center D1 protein and mediates electron transfer from the oxygen-evolving Mn(4)CaO(5) cluster to the primary electron donor, P680. The latest PSII crystal structure revealed the presence of a hydrogen bond network around Y(Z), which is… (More)
DOI: 10.1093/pcp/pcu073

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