• Convenient,pre-processedvectorseliminatetheneedfordigestion,gelpurification,anddephosphorylation.
  • Transcriptionterminatorsflankingcloningsitestabilizeotherwisetoxicinserts.
  • Choiceofcopynumberandantibioticresistance.
  • OptimizedforusewithE.cloni®10Gelectrocompetentandchemicallycompetentcells(soldseparately)

Clonequicklyandfacilitatedownstreamapplications

Lucigen’suniquecloningkitswithpre-processedvectorsandhighlycompetentcellseliminatehoursoftediouspreparationandenableefficientcloning.Ligationcanbecompletedinaslittleas30minuteswithnoclean-upneeded;onlyabriefheatdenaturationisnecessarybeforetransformation.Downstreammanipulation(e.g,mutagenesis,subsequentinsertaddition)isfacilitatedbytheminimalvectorsize(1.7-2.0kb).

StabilizedInsertsandGap-FreeCloning

Allcloningkitsincludethetranscription-andtranslation-freepSMART®vectors(Figure1),whicheliminatemanyoftheproblemsassociatedwithcloningrecalcitrantDNAinconventionalplasmidvectors.Conventionalcloningvectorscontainpromoters(e.g.,lacZpromoter)thatconstitutivelytranscribetheinsertsequence.Thistranscriptionandcoupledtranslationcandestabilizeinsertsthatcontaincodingregions,strongpromoters,shortrepeats,orincompatiblesecondarystructures.ThecloningsiteofpSMARTvectorsdoesnotincludealaczsequence.Inaddition,strongtranscriptionterminatorsflankthecloningsitetoblockspurioustranscriptionfromthevectorandinsert-driventranscriptionintothevector.LowcopynumberversionsofpSMARTfurtherstabilizesequencesthataredifficulttomaintainintypicalvectors.

NoBackgroundProblems

ThepSMARTvectorsaresuppliedpre-digested,withblunt,dephosphorylatedends,andarequalifiedtoproduce99.5%recombinantclonesintypicalexperiments.Theultra-lowbackgroundofemptyvector(lessthan0.5%)eliminatestheneedtoscreenforrecombinants,removestheuncertaintyoffalsenegatives(lightbluepUCcolonies)andfalsepositives(whitecoloniesthatlackinserts),andenableslibraryconstructionfromnanogramamountsofDNA.

Diagram of pSMART vectors.

Figure1.Highcopy(HC)andlowcopy(LC)versionsofthepSMARTtranscription-freecloningvectors.

ConvenientSuccess

EfficientlyobtainyourcloneorcreateyourgenomicorcDNAlibrary—theCloneSmartCloningKitseliminatetediouspreparationofvectorsandcompetentcells,aswellastime-consumingQCtestingexperiments.Kitsincludeoptimizedreagents,ligation-readyvector(nopost-ligationcleanupsteprequired),detailedinstructions,andtrouble-shootingguidestosimplifycloningandsequencing.HighlyefficientE.cloni®10Gelectrocompetentcells(upto>4×1010cfu/µg)orchemicallycompetentcells(>1×109cfu/µg)areavailableforsaleseparately.

ORDERINFORMATION

CloneSmartBluntCloningKitscontain:VectorPremix,CloneSmartDNALigase,PositiveControlInsertDNA,SequencingPrimers,andacompleteprotocol.KitscanbeusedwithanyE.colichemicallycompetentorelectrocompetentcellsbuthavebeenoptimizedforusewithofE.cloni®ElectrocompetentCellsandChemicallyCompetentCells.