Reaction Biology描述： 人类重组EZH2incomplexwithhumanrecombinantsEED.TotalcomplexMWis228.7kDa.Allproteinsarefull长度（residue2throughC末端）也是全美-expressedinaninsectcell / baculovirusexpressionsystem.TheEEDsubunitincorporatesanN-terminalStrepandFlag-tagandallothersincludeanN-terminalHis-tag.CatalyzesthetransferofmethylgroupsfromS腺苷-L-甲硫氨酸（SAM）tothee-aminofunctionofproteinL-lysineresidues，specificallylysine-27ofhistoneH3（ H3K27）。在开发过程中，Polycomb Repressive Complex 2（PRC2）是主要的甲基转移酶对IBL的反应eforgeneratingtrimethylatedhistoneH3lysine-27（的H3K27me3），anepigeneticmarkessentialforprogrammedrepressionofgeneexpression1-5.EZH2，whichincludesaSETmethyltransferasedomain，isthecatalyticsubunitofPRC21,6.ThecoreofthecatalyticcomplexincludesEZH2，EED，SUZ12andRbAp48，whileadditionofAEBP2significantlyenhancesthemethyltransferaseactivityofthecomplex（> 3×）6.EZH2isoverexpressedinawiderangeofhumancancersanditsoverexpressioncancorrelatewithtumorprogression，increasedmetastasisandpoorprognosis（seereview7）.DepletionofEZH2and / orotherPRC2componentscaninhibitgrowthorinduceapoptosisincancercells6,8-10.Consequently，EZH2isconsideredapromisingtargetforthedevelopmentofanti -癌症疗法11 存取编号： EZH2NM_001203247，EEDNM_003797，SUZ12NM_015355 包括酰胺酸：EZH22-746，EED2-441，SUZ122-739 标记（S）：EEDhasanN末端链霉菌标记标签，其他所有N末端His标签 分子量：228.7kDa EXPRESSIONSYSTEM ：昆虫细胞/杆状病毒 SUPPLIEDAS：Solutionofpurifiedrecombinantproteinin20mMTris盐酸，pH8,150mMNaCl，2mMMgCl 2，2mMDTT，20％甘油（w / v），0.01％NP-40asdeterminedbyOD 280。 储存：-70°C。在使用前应迅速融化并储存。应保留未使用的未稀释蛋白质，例如干燥/冰乙醇液中的氮。尽可能减少冻融/解冻，但不建议使用稀释体积太小（<5µl）的稀释蛋白质。