A protein kinase assayable with intact cells of the cellular slime mold Dictyostelium discoideum
[摘要] Aproteinkinaseactivityassayablewithwholecellsoftheslimemoldisdescribed.Thisactivityislargelylostifthecellsaredisruptedbysonicationorfreeze-thawing.ThecationandpHrequirementsoftheenzymearedescribed.NeithercAMPnordibutyrylcAMPstimulatetheactivityunderavarietyofconditions.Inaddition,cellsharvestedfromdifferentperiodsinthegrowthcycleorfromdifferentstagesindevelopmentyieldedthesameactivitypercellandshowednocAMPordibutyrylcAMPeffect.WithhistonetypeIIasthesubstrate,theproductofthereactionwasjudgedtobeaphosphorylatedserineorthreoninebyitslabilityinhotalkalianditsstabilitytohotacid.
[发布日期] [发布机构]
[效力级别] [学科分类] 生物科学(综合)
[关键词] [时效性]