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Photosystem II is the site of photosynthetic water oxidation and contains 20 subunits with a total molecular mass of 350 kDa. The… Expand Photosynthesis uses light energy to drive the oxidation of water at an oxygen-evolving catalytic site within photosystem II (PSII… Expand
An outbreak of severe acute respiratory… Expand Compared with many normal tissues, cancer cells are highly sensitized to apoptotic signals, and survive only because they have… Expand Hypoxia-inducible factor (HIF) is a transcriptional complex that plays a central role in the regulation of gene expression by… Expand Denitrification is a distinct means of energy conservation, making use of N oxides as terminal electron acceptors for cellular… Expand Metal ions are essential cofactors for a wealth of biological processes, including oxidative phosphorylation, gene regulation and… Expand A cofactor for HIV-1 (human immunodeficiency virus-type 1) fusion and entry was identified with the use of a novel functional… Expand Entry of HIV-1 into target cells requires cell-surface CD4 and additional host cell cofactors. A cofactor required for infection… Expand ACTIVATED protein C (APC) is a serine protease with potent anti-coagulant properties, which is formed in blood on the endothelium… Expand