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Oxford Genetics/pSF-AOX1-A-factor-HIS4 (OG3581)/OG3581/1 Ea
PlasmidInfo:
PlasmidInformation
ProductName:pSF-AOX1-A-factor-HIS4
ProductCode:OG3581
Size(bp):7346bp
BacterialAntibioticSelection:KanR
OriginandCompatibility:pUChighcopyderivedfrompBR322
BacterialCopyNumber:500-700percell
Promoter:
PlasmidPurpose:
Thisvectorisdesignedfortheexpressionofageneofinterest(GOI)inthemethylotrophicyeast,Pichiapastoris.OncetheGOIhasbeenclonedintotheMCS,theplasmidisthenlinearisedandtransformedintoanappropriateP.pastorisstrainbyelectroporation.Theexpressionconstructbecomesintegratedintothegenome.ExpressionoftheGOIisinducedbyadditionofmethanoltotheculturemedium.ThevectorcontainsaHIS4Markerfornutritionalselectionofintegrantsinahis4P.pastorisstrain.ThisvectorenablessecretionofyourGOIusingtheupstreamalpha-factorsecretionsignal.
PromoterExpressionLevel:ThispromoterisinducIBLebymethanolandexhibitshighexpressionundertheseconditions.Intheabsenceofmethanolthepromoteristightlyregulatedandshowsonlybasallevelsofexpression.
AboutthePeptideTag:ThisplasmidcontainsanfulllengthAlphaFactor(A-FactorFL)secretorypeptidetoallowproteinstobeexportedfromthecytosol.Alphafactorisanendogenousyeastproteinthatisnaturallysecretedintothesupernatant.Thewild-typeAlphaFactorproteincontainsaseriesofrepeatingproteinsequencesthatarecleavedoutbycellularproteasesthatrecogniseaspecificsite.Thisproducesaseriesofsmallpeptidesthatcontainthematurealphapeptidesequence.Thisplasmidcontainthewild-typesignalpeptidefromthefulllengthAlphafactorgenebutalsothecodingsequencethatleadsuptothefirstendogenousproteasecleavagesite.Theadditionofthesesequenceshasbeendemonstratedtoprovidemoreconsistentsecretionofproteinsincomparisontousingjustthesignalpeptidealone.Allofthewild-typeproteinsequenceswillberemovedduringproteinmaturationandexportbyendogenousproteases.
SequenceandMap:
OtherInfo:
TranscriptionTermination:Thisplasmidcontainsthepoly-adenylationsignalfromtheAlcoholOxidase1Promoter(AOX1)genefromPichiapastoristoterminatetranscription.
Cloning:
Cloninginagene:ThisplasmidisdesignedformakingfusionproteinswiththeAlphafactorsecretionsignal.Itcontainsourstandardmultiplecloningsitewhichallowstheinsertionofgenesusingrestrictionenzymebasedapproaches.TomakeamoreseamlessfusiontryourSnapFusionversionofthisplasmid,OG3582.
Multiplecloningsitenotes:
IPStatus:
IntellectualPropertyStatusThisproductispartofourSnapFastplasmidrange,formoreinformationontheIntellectualpropertystatusofthisplasmidpleaseclickhere
