Arabidopsis thaliana - 741872 Arabidopsis thaliana Columbia - 741872 Beta vulgaris - 724455, 742428 Chlamydomonas reinhardtii P07753: photosystem II protein D1, P06007: photosystem II D2 protein 764668 Chlorella ohadii - 741990 Glycine max - 725119 Helianthus annuus - 741969 Hordeum vulgare cultivar Gateway 716626 Hordeum vulgare wild type and mutant viridis zb63 lacking photosystem I but with normal photosystem II activity 714947 Microcoleus sp. - 726265