adenosine 3'-phosphate 5'-phosphosulfate

(redirected from active sulfate)

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
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References in periodicals archive ?
Highly diverse biomolecules are sulfated by an armada of sulfotransferases that depend on provision of active sulfate in the form of 3 -phospho-adenosine-5 -phosphosulfate (PAPS) for action.
Generally speaking, a 10% active sulfate system will require about 1-2% of alkanolamide and 1-3% sodium chloride to reach or exceed a viscosity of 10,000 cps.
Active sulfate reduction in Postgate's Medium B is evidenced by the production of Fe[S.
Toad skin is capable of active sulfate influx from a Ringer's solution containing 1 mmol [1.
Bidigare and Biggs (1980) determined that active sulfate loss from the ctenophore Beroe cucumis could be compensated by isosmotic chloride exchange.
The co-substrate and active sulfate donor was radiolabeled 3'-phosphoadenosine 5'-phosphosulfate (([sup.