SEARCH Articles Figures Tables Dephosphorylate Dephosphorylation Phosphorylation cycling Phosphorylation-dephosphorylation biochemical cycle Phosphorylation-dephosphorylation cycle biosynthesis Phosphorylation-dephosphorylation cycle reductive pentose phosphate pathwa The phosphorylation-dephosphorylation cycle Ultrasensitivity and the zeroth-order phosphorylation-dephosphorylation cycle