Anatrace/DMPC:DHPC预混合Bicelles/D514:D606 BIC混合物0.25 ML/0.25 ML

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¥3240.00
货号:D514:D606BICMIX0.25ML
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品牌:Anatrace
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商品描述
MolecularFormula:2.8:1D514:D606
StorageConditions:-20C
Appearance:ClearSolution
Crystallizationofmembraneproteinsisachallengingundertakingandanumberofalternativetechniqueshavebeendevelopedsuchaslipidiccubicphaseandbicellecrystallization.Bothofthesetechniquesallowforthereconstitutionofadetergentsolubilizedmembraneproteininalipidicenvironment,andtheproteinstendtopackintotype-Icrystals.Bicellesareformedfromamixtureof1,2-dimyristoyl-sn-glycero-3-phosphocholine(DMPC,D514)and1,2-dihexanoyl-sn-glycero-3-phosphocholine(DHPC,D606)oramixtureofDMPCand3-((3-cholamidopropyl)dimethylammonio)-2-hydroxy-1-propanesulfonate(CHAPSO,C317).Bicellesarebilayerdiscswiththebilayerformedbythelipid(DMPC)andthedetergent(DHPCorCHAPSO)coveringtheedgesofthehydrophobicbilayer.
 
Settingupacrystallizationtrialinbicellescanbedonewithfoursimplesteps:
  • Preparationofthebicellemedium
  • Incorporationoftheproteinintobicelles
  • Setupofcrystallizationtrials
  • Monitoring,harvesting,anddatacollectionofcrystals
Tosimplifythisprocess,Anatraceofferspremixedbicellesolutions.Thesesolutionscontain0.25mlofa30%solutionofeitherDMPC:CHAPSOorDMPC:DHPCbicellesata2.8:1ratio.Forinitialcrystallizationscreening,werecommendscreeningbetween5%-8%bicelles.Toreconstituteaproteinintobicelles,proteinismixedwiththebicellesolutionina4:1ratio.Forexample,tocreate100 µlofa5%protein-bicellemixture,the30% stockbicellesolutionisfirstdilutedwithH2Oto25%(16.7µl30%bicelles+3.3µlH2O=20 µl25%bicelles),and then addedto80 µlofconcentratedproteinsolution.The reconstitutedproteininbicellescanthenbeusedtosetupcrystallizationexperimentsineitherhangingdrop,sittingdrop,ortheMicrolyticCrystalFormerplates.AfullprotocolforproteinreconstitutionandcrystallizationisbeavailableundertheTechnicalDocumentationtab.

Note:Bicellesareshippedatroomtemperature.Storeat-20oCuponreceiving. 

Citations:
1.) Faham,S.andBowie,J.U.(2002) J. Mol.Biol. 316(1), 1-6.
2.) Poulos,S. etal. (2015) MethodsinEnzymology 557, 393-416.
3.) Kimble-Hill,A.C.(2013) Front.Biol. 8(3), 261-272.
4.) Agah,S.andFaham,S.(2012) MethodsinMolecularBIOLOGy 914,3-16.
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