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In human cells, vitamins often serve as the precursors of 鈥渃ofactors鈥?- non-proteins which are an essential part of enzymes. Among them are the flavins, which the organism derives from vitamin B2. A team headed by Dr. Robin Teufel and Dr. Raspudin Saleem-Batcha of the University of Freiburg at the Center for Biological Systems Analysi
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dunk nike low rks. The researchers have published their results in the latest Proceedings of the National Academy USA (PNAS).Flavins play a key role in metabolic processes, in the immune system and in neural development in humans - and are equally important to bacteria, fungi and plants. Flavoenzymes often require oxygen to function. But until now many of the details of their
converse all star interaction were not known.The researchers used x-ray diffraction analysis to show for the first time that oxygen is bound to a special pocket inside the enzyme. The nature Facebook on Wednesday delivered another blockbuster earnings performance, showing solid growth in mobile ad revenues as the social network expands into new services.While Facebook topped Wall Street expectations in the quar
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