Ara-cytarabine triphosphate trisodium (Ara-CTP), trisodium unites a cytosine base, 2′-arabinosyl sugar, and fully ionized 5′-triphosphate, competitively replacing dCTP to arrest DNA polymerases; intracellular Ara-CTP levels are a premier biomarker for predicting leukemic blast sensitivity to cytarabine. Reagent grade, for research use only.
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