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GO:0010242: oxygen evolving activity (Molecular function)

"Catalysis of the reaction: 2 H2O = O2 + 4 H+ + 4 e-. The evolution of oxygen from oxidizing water is carried out by the oxygen evolving complex in photosystem II of plants. P680+, the photochemically oxidized reaction-center chlorophyll of PSII, is a strong biological oxidant. The reduction potential of P680+ is more positive than that of water, and thus it can oxidize water to give O2 and H+ ions. The oxygen escapes as a gas while the H+ ions remain in solution inside the thylakoid vesicle." [GOC:kd, GOC:syr, PMID:17091926, PMID:7948862]


There are 1174 sequences with this label.

Enriched clusters
Name Species % in cluster p-value corrected p-value action
Cluster_106 Arabidopsis thaliana 2.02 % 1.3e-05 5.8e-05
Cluster_12 Cyanophora paradoxa 1.64 % 7.2e-05 0.000453
Cluster_133 Gingko biloba 0.74 % 0.003268 0.014309
Cluster_146 Zea mays 2.0 % 6e-06 3.1e-05
Cluster_52 Marchantia polymorpha 0.85 % 0.006024 0.021576
Cluster_88 Physcomitrella patens 0.66 % 0.004683 0.022989
Cluster_343 Picea abies 1.64 % 0.000915 0.002039
Cluster_148 Oryza sativa 1.43 % 0.001659 0.01371
Cluster_140 Selaginella moellendorffii 1.47 % 0.00011 0.009574
Cluster_25 Solanum lycopersicum 1.18 % 0.000245 0.001495
Cluster_93 Vitis vinifera 0.77 % 0.004934 0.02059
Cluster_61 Chlamydomonas reinhardtii 0.53 % 0.01071 0.046805
Sequences (1174) (download table)

Info: GO-associations disabled for items with more than 300 associated sequences !
InterPro Domains

Family Terms