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Clontech pBridge酵母三杂交系统说明书
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ClontechpBridge酵母三杂交系统说明书载体描述:pBridgeexpressestwoproteins:aDNA-bindingdomainfusion,andanadditionalprotein.pBridgethusallowsestablishmentofthree-hybridsystemswhenusedincombinationwithanactivationdomainfusionvectorandyeaststrainsfromanyofClontech'sGAL4-basedtwo-hybridsystems,includingMatchmakerGold.ThisvectorgeneratesahybridproteinthatcontainsthesequencesfortheGAL4DNA-bindingdomain(DNA-BD)andthesequenceclonedintoMCSI.ThefusionproteinisexpressedinyeasthostcellsfromtheconstitutiveADH1promoter;transcriptionisterminatedattheADH1transcriptionterminationsignal.Thehybridproteinistargetedtotheyeastnucleusbynuclearlocalizationsequences(NLS)thatareanintrinsicpartoftheGAL4DNA-BD.AnadditionalgeneofinterestcanbeclonedintoMCSIIwhichislocateddownstreamofanHAepitopeandasecondNLS.TheresultingfusionproteinisconditionallyexpressedfromtheMet25promoterinresponsetomethioninelevelsinthemedium;i.e.,itisrepressedinthepresenceof1mMmethionineandexpressedintheabsenceofmethionine.质粒图谱:
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2019-01-24 00:00
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