PRE CTOX P25
\pɹˈiː sˈiːtˈɒks pˈiː twˈɛntifˈa͡ɪv], \pɹˈiː sˈiːtˈɒks pˈiː twˈɛntifˈaɪv], \p_ɹ_ˈiː s_ˈiː_t_ˈɒ_k_s p_ˈiː t_w_ˈɛ_n_t_i_f_ˈaɪ_v]\
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The terminal oxidase of the respiratory chain. It collects electrons that are transferred from reduced CYTOCHROME C and donates them to molecular oxygen, which is then reduced to water. It is composed of CYTOCHROME A and CYTOCHROME B, two copper atoms, and 13 different protein subunits, three of which are encoded by the mitochondrial DNA. It is also called complex IV of the respiratory chain. (from Scriver et al., The Metabolic & Molecular Bases of Inherited Disease, 8th ed, p2261 and p2368)
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Word of the day
basidiomycota
- comprises fungi bearing the spores on basidium: Gasteromycetes (puffballs); Tiliomycetes (comprising orders Ustilaginales (smuts) and Uredinales (rusts)); Hymenomycetes (mushrooms; toadstools; agarics; bracket fungi); in some classification systems considered a division of kingdom comprises fungi bearing spores on a basidium; includes Gasteromycetes (puffballs) Tiliomycetes comprising the orders Ustilaginales (smuts) and Uredinales (rusts) Hymenomycetes (mushrooms, toadstools, agarics bracket fungi).