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Oxford Genetics/pSF-CMVe-CAT (OG367) CMV Enhancer CAT Plasmid/OG367/1 Ea
PlasmidInfo:
PlasmidInformation
ProductName:pSF-CMVe-CAT
ProductCode:OG367
Size(bp):4919bp
BacterialAntibioticSelection:KanR
OriginandCompatibility:pUChighcopyderivedfrompBR322
BacterialCopyNumber:500-700percell
Promoter:
PlasmidPurpose:
Thisplasmidcontainsthemajorimmediateearlycytomegalovirus(CMV)enhancerregionupstreamofthechloramphenicolacetyltransferase(CAT)reportergene.Theenhancercanbeusedtoincreasethestrengthofweakerpromoterswhilstoftenretaininganyregulationthattheyalreadyhavesuchastissuespecificityortranscriptionfactoractivationinresponsetostimulushoweverthisisnotalwaysthecaseandwillvarydependingonthepromoterbeingused.
SequenceandMap:
OtherInfo:
TranscriptionTermination:Thisplasmidcontainsthreealternativetranscriptionterminatorsformammalianbacterialandbacteriophage(T7)expression.Thismeansthatonlythepromoterneedstobechangedtoaltertheexpressionsystemyouareusing.Wesellmultiplepromotersthatcanbeusedineachofthesesystems.Thepresenceofeachterminatordoesnotreduceexpressioninthealternativesystems.
Cloning:
Cloninginagene:Thisplasmidcontainsagenewithinthemainmultiplecloningsite(NotI-ClaI).Anyplasmidthatwesellwherethegeneisthisconfigurationwillbelocatedintheexactsamepositioninrelationtothestartandstopcodonofthegene.TheonlyexceptionstothisrulearefusionsproteinswherethefusiongenemaybepositionedatthefrontorendoftheMCStoallowgenefusion.
Bypositioningallofourgenesinthesamelocationitallowsthemtobetransferredbetweenplasmidsusingthesamecloningmethodandrestrictionsitesregardlessoftheplasmidbeingusedfromourproductrange.InsertinganewgeneintothisplasmidshouldbeeasilypossIBLeusingarangeofstandardrestrictionenzymesitesthatflankthegenecurrentlyinthevector.
Multiplecloningsitenotes:InthemultiplecloningsitetherearetwoimportantrestrictionsitescalledBsgIandBseRIsites.ThesesitesbothcuttheDNAatthesamepositionandcleavethestopcodonofthegeneinthemultiplecloningsiteinthisplasmidtherebyproducingaTAoverhang.Thisoverhangiscompatiblewithanyofourpeptideorreporterfusiontagplasmidsalsocutwitheitheroftheseenzymes.ThisallowsseamlessC-terminalfusionstobemadewiththegeneinthismultiplecloningsiteusingasinglecloningstepfromourC-terminalpeptideandreportertagproductrange.NormallytheeasiestmethodistoclonetheC-terminaltagfromourotherplasmidproductsintothisplasmidusingBsgIorBseRIandthedownstreamClaIrestrictionsite.
BseRIandBsgIsitesarenon-palindromicandcleaveadefinednumberofbasesawayfromtheirbindingsites.Thisallowsthemtocuttheupstreamstopcodoninthegeneinthisplasmidregardlessofthegenesequence.
IPStatus:
IntellectualPropertyStatusThisproductispartofourSnapFastplasmidrange,formoreinformationontheIntellectualpropertystatusofthisplasmidpleaseclickhere
