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Abstract Reticulocyte lysates contain ribosome-bound and free populations of 5S RNA. The free population is sensitive to nuclease cleavage in the internal loop B, at the phosphodiester bond connecting nucleotides A54 and A55. Similar cleavage sites were detected in 5S rRNA in 60S subunits and 80S...
Abstract The mitochondrial isoenzymes of creatine kinase (MtCK), ubiquitous uMtCK and sarcomeric sMtCK, are key enzymes of oxidative cellular energy metabolism and play an important role in human health and disease. Very little is known about uMtCK in general, or about sMtCK of human origin. Here...
Abstract An iron-containing superoxide dismutase (SOD; EC 126.96.36.199) of the hyperthermophilic archaeon Acidianus ambivalens (Aa-SOD) has been purified and characterized and the gene has been cloned and sequenced. The SOD from the facultatively aerobic member of the crenarchaeota could be expressed...