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Prospec/MutS/Thermus Aquaticus DNA Mismatch Repair Protein MutS Recombinant/10µg/PRO-2573-10µg-10µg
Cataloguenumber
PRO-2573
Synonyms
MutS,ThermusAquaticusDNAMismatchRepairProtein,DNAmismatchrepairproteinMutS.
Introduction
TheMutSDNAMismatchProteinIdentifiesheteroduplexDNAscomprisingmis-pairedorunpairedbases.TheMutSDNAMismatchProteinbindsinvitrotoheteroduplexDNAscomprisingmis-pairedorunpairedbasesoveravariedtemperaturerangefrom4-70 °CandobtainsaThermostableATPaseactivity.TheMutSDNAMismatchProteinisactiveattemperaturebetween0to75°C.SinceTheMutSDNAMismatchProteincompetentlybindsto1-4basesdeletion(orinsertion)andmismatchbasepairsofGT,CTandAG,itissuitableforsensingthesemutations.MutationscanbedistinguishedinpolyacrylamidegelsoronasolidphasesuchasNiagaroseorbeadsormagneticNi-NTAparticles.
Description
DNAMismatchRepairProteinMutSThermusAquaticusRecombinantproducedinE.coliisasingle,non-glycosylatedpolypeptidechaincontaining829aminoacidsandhavingamolecularmassof92.8kDa.TheThermusAquaticusisfusedtoa6aminoacidHis-TagatC-terminusandpurifiedbyproprietarychromatographictechniques.
Source
PhysicalAppearance
Formulation
TheMutSproteinissuppliedin20mMTris-HCl,pH-8,250mMNaCl,0.1mMEDTA,1mMDTTand50%Glycerol.
StABIlity
ReactionConditions
100mMKCl,50mMTris-HCl,pH-8.5,20mMMgCl2,0.1mMEDTA,1mMDTTand2%Glycerol,65°C.
Purity
Greaterthan95.0%asdeterminedbySDS-PAGE.
Aminoacidsequence
MKIEHMEGMLKGEGPGPLPPLLQQYVELRDQYPDYLLLFQVGDFYECFGEDAERLARALGLVLTHKTSKDFTTPMAGIPLRAFEAYAERLLKMGFRLAVADQVEPAEEAEGLVRREVTQLLTPGTLLQESLLPREANYLAAIATGDGWGLAFLDVSTGEFKGTVLKSKSALYDELFRHRPAEVLLAPELLENGAFLDEFRKRFPVMLSEAPFEPEGEGPLALRRARGALLAYAQRTQGGALSLQPFRFYDPGAFMRLPEATLRALEVFEPLRGQDTLFSVLDETRTAPGRRLLQSWLRHPLLDRGPLEARLDRVEGFVREGALREGVRRLLYRLADLERLATRLELGRASPKDLGALRRSLQILPELRALLGEEVGLPDLSPLKEELEAALVEDPPLKVSEGGLIREGYDPDLDALRAAHREGVAYFLELEERERERTGIPTLKVGYNAVFGYYLEVTRPYYERVPKEYRPVQTLKDRQRYTLPEMKEKEREVYRLEALIRRREEEVFLEVRERAKRQAEALREAARILAELDVYAALAEVAVRYGYVRPRFGDRLQIRAGRHPVVERRTEFVPNDLEMAHELVLITGPNMAGKSTFLRQTALIALLAQVGSFVPAEEAHLPLFDGIYTRIGASDDLAGGKSTFMVEMEEVALILKEATENSLVLLDEVGRGTSSLDGVAIATAVAEALHERRAYTLFATHYFELTALGLPRLKNLHVAAREEAGGLVFYHQVLPGPASKSYGVEVAAMAGLPKEVVARARALLQAMAARREGALDAVLERLLALDPDRLTPLEALRLLQELKALALGAPLDTMKGKLAAALEHHHHHH.
Preparationprotocol
1.AfterfirstroundPCR,purifyPCRfragmentsusingQiagenQIAquickPCRpurificationkitwithelutionindH2O.
2.DilutePCRproductto250ng/µlin10mMTris–HCl,pH7.8,50mMNaClandheatto95°Cfor5minfollowedbycoolingat0.1°C/sto25°C.
3.Addbindingbuffer(20mMTris–HCl,pH7.8,10mMNaCl,5mMMgCl2,1mMDTTand5%glycerol)toannealedPCRproduct,adjustDNAconcentrationto11.5ng/µl,addMutSdimersto950nM.
4.Incubatethemixtureatroomtemperaturefor10min,thenaddanequalvolumeofNi-NTAbeadspre-equilibratedwith1×bindingbuffer,andincubatefor30minatroomtemperature.
5.Gentlyspindownbeadsandsavesupernatantforsubsequentprocessing(secondroundPCR,cloningetc).
Applications
RecommendedApplications:
1.RemovemismatchDNA(errorcorrection)fromgenesynthesisreaction
2.Mutationdetectionandremoval
3.RapidisothermalSNPdetection
SafetyDataSheet
SDS