Stereoselective sulphate conjugation of fenoterol by human phenolsulphotransferases.


1. The objective of this study was to determine (1) the molecular site(s) of sulphoconjugation of fenoterol; (2) the human phenolsulphotransferase (PST) isoform(s) involved; and (3) the stereochemistry of the enzymatic reaction. 2. Using the human Hep G2 cell line, hplc isolation and FAB/ms/ms, it was determined that fenoterol is sulphated both in the 4… (More)


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