this autophosphorylation of the 21,000 and 24,000 mr subunits of ndpk occurs rapidly at 0 degrees c , will use either [ gamma-32p ] atp , [ gamma-32p ] gtp , or the corresponding 8-azidopurine photoprobes , is intramolecular , displays saturation effects , and is prevented from forming if gtp gamma s is added .
C0018353
gtp
C0079469
gtp gamma s