SEARCH Articles Figures Tables 3 -Phosphoadenosine 5 -phosphosulfate assay 3 -Phosphoadenosine 5 -phosphosulfate preparation 3 -Phosphoadenosine 5-phosphosulfate PAPS) 3 -Phosphoadenosine-5 -phosphosulfate, synthesis Phosphoadenosine Phosphoadenosine phosphosulfate (PAPS active sulfate Phosphosulfate