Abstract:
THEENZYMATICPREPARATIONOF[α┐32P]ATPWITHHIGHSPECIFICACTIVITYWuFengboWangYishanYiMingguan(InstituteofAtomicEnergy,P.O.Box275(39),Beijing102413)ABSTRACTAmodifiedprocedureforpreparing[α-32P]ATPisdescribedwithwhich[γ-32P]GTPisusedasphosphatedonorinsteadof[γ-32P]ATP.Thespecificactivityoftheresulted[α-32P]ATPinourexperimentsisraisedgreatlyasto148PBq/molormore,withoutdecreasingtheyieldof[α-32P]ATPwhichisover93%basedon32Pi.ThespecificactivityismeasuredbyHPLCandthefactorsthatafectthespecificactivityof[α-32P]ATParediscussed.KeywordsEnzymaticpreparationSpecificactivity[γ-32P]GTP[α-32P]ATPHPLC