adenosine 3'-phosphate 5'-phosphosulfate
a·den·o·sine 3'-phos·phate 5'-phos·pho·sul·fate (PAPS),(ă-den'ō-sēn fos'fāt fos'fō-sūl'fāt),
An intermediate in the formation of urinary ethereal sulfates, notable for containing a "high-energy" sulfate bond; the 3'-OH of adenosine is replaced by -OPO3H2 and the 5'-OH by -OP(O2H)-OSO3H.
Synonym(s): active sulfate
Farlex Partner Medical Dictionary © Farlex 2012