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% stockbicellesolutionisfirstdilutedwithH
2Oto25%(16.7µl30%bicelles+3.3µlH
2O=20 µl25%bicelles),and then addedto80 µlofconcentratedproteinsolution.The reconstitutedproteininbicellescanthenbeusedtosetupcrystallizationexperimentsineitherhangingdrop,sittingdrop,ortheMicrolyticCrystalFormerplates.AfullprotocolforproteinreconstitutionandcrystallizationisbeavailableundertheTechnicalDocumentationtab.
Note:Bicellesareshippedatroomtemperature.Storeat-20
oCuponreceiving.
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.
在阿纳泰瑞,我们认真致力于开发和供应行业最好的高纯度洗涤剂和脂类,并同样致力于高标准,使之成为可能。我们的标准使Anatraces成为国际公认的膜蛋白研究和自定义化学合成试剂生产的领先企业。同样的标准也意味着你也有信心去追求更高的目标。
Research facilities, academic institutions, and industrial customers worldwide have trusted Anatrace for high-purity detergents, lipids, customs, and, of course, higher standards since the late 1980s. Once again a privately owned business, thanks to StoneCalibre's private equity investment, we’re now setting those standards higher than ever before.
品牌
货号
名称
规格
Anatrace
C321
C 321-cymal-1
1gm 5gm 25gm
Anatrace
C322
C322 - CYMAL-2, Anagrade
1gm 5gm 25gm
Anatrace
C323
C323 - CYMAL-3, Anagrade
1gm 5gm 25gm
Anatrace
C323G
C323G - CYGLU-3, Anagrade
1gm 5gm 25gm
Anatrace
C324
C 324-cymal-4,Anagrez
1gm 5gm 25gm
Anatrace
C324G
C324G - CYGLU-4, Anagrad
1gm 5gm 25gm
Anatrace
C325
C325 - CYMAL-5, Anagrade
1gm 5gm 25gm
Anatrace
C325S
C325S - CYMAL-5, Sol-Grade
1gm 5gm 25gm
Anatrace
C326
C326 - CYMAL-6, Anagrade
1gm 5gm 25gm
Anatrace
C326LA
C326LA - CYMAL-6, Anagrade
1gm 5gm 25gm
Anatrace
C326S
C326S - CYMAL-6, Sol-Grade
1gm 5gm 25gm
Anatrace
C327
C327 - CYMAL-7, Anagrade
1gm 5gm 25gm
Anatrace
C327S
C327S - CYMAL-7, Sol-Grade
1gm 5gm 25gm