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AG Scientific/X-GAL/X-1015/1 g
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产品说明
5-Bromo-4-chloro-3-indolylβ-D-galactopyranosideismostcommonlyknownas X-Gal.X-galisahistochemicalsubstrateforβ-galactosidasewhichcleavesX-Galtoyieldaninsolubleblueprecipitate.X-GalisamainstayinmolecularBIOLOGycloningapplicationsinwhichitisusedtodetecttheactivityofβ-galactosidase.X-GalisusedtodetecttheinsertionofforeignDNAintothelacZregionofaplasmidDNA.InsertionofDNAintothelacZregionresultsinthelossofβ-galactosidaseactivity.X-galisusedtoindicatewhetheracellexpressestheβ-glactosidaseenzyme,whichisencodedbythelacZgene,inatechniquecalledbluewhitescreening.Bacterialcellsthatretainactiveβ-galactosidasewillresultincharacteristicbluecolonies.Successfuldisruptionofthe lacZα genedisruptstheα-complementationoftheβ-galactosidasegeneandtheprecipitatedoesnotform,resultinginwhitecolonies.   AdditionalInformationSynonymsBCIGProduct#X-1015CAS#7240-90-6ChemicalName5-Bromo-4-Chloro-3-Indolyl-B-D-GalactopyranosideFormulaC14H15BrClNO6MW408.61AppearanceWhitePowderPurity99%(TLC)SolubilitySoluble2%inDMFMeltingPoint236-238°CBoilingPoint698.00°Cat760mmHgStorageTemp+4°CUseAchromogenichistochemicalsubstrateforβ-galactosidaseusedtodetectDNAinsertionsintothelacZregionofplasmidDNAAdditionalInformationMDLNumberMFCD00005666ChemACXX1009969-1InChIInChI=1S/C14H15BrClNO6/c15-5-1-2-6-9(10(5)16)7(3-17-6)22-14-13(21)12(20)11(19)8(4-18)23-14/h1-3,8,11-14,17-21H,4H2/t8-,11+,12+,13-,14-/m1/s1SMILESc1cc(c(c2c1[nH]cc2O[C@H]3[C@@H]([C@H]([C@H]([C@H](O3)CO)O)O)O)Cl)BrdecorateTable("product-attribute-specs-table")

AG Scientific, Inc.成立于1997年,专注于创新生化制剂以及用于诊断测试开发的定制原材料,以推进临床前研究药物开发。产品涉及抗生素,生物洗涤剂,缓冲液,诊断,酶,医疗设备试剂,蛋白酶K,还原剂,RNase A等