Anne M. Rapin

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We report here a combination of site-directed mutations that eliminate the high-affinity Ca(2+) response of the large-conductance Ca(2+)-activated K(+) channel (BK(Ca)), leaving only a low-affinity response blocked by high concentrations of Mg(2+). Mutations at two sites are required, the "Ca(2+) bowl," which has been implicated previously in Ca(2+)(More)
Recent studies on the cellular synthesis of various glucosides have taught us that in contrast to the catabolism of glucose the anabolic processes require the mediation of uridine diphosphoglucose (UDPG) T or related nucleotides. 1 2 The biosynthesis of the anabolic mediator, UDPG, proceeds via UTP and G-1-P by means of a specific enzyme UDPG(More)
BACKGROUND Hypertension is a leading risk factor for cardiovascular disease. Although control rates have improved over time, racial/ethnic disparities in hypertension control persist. Self-blood pressure monitoring, by itself, has been shown to be an effective tool in predominantly white populations, but less studied in minority, urban communities. These(More)
Lipopolysaccharides from a number of mutants of Escherichia coli K-12 were investigated by means of chemical and serological methods. Inhibition of passive hemagglutination and inhibition of precipitation show that L-rhamnose is the immunodominant sugar in the lipopolysaccharide from wild-type E. coli K-12. The disaccharide rhamnosyl-KDO (where KDO is(More)
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