商品介绍
| Description | |
|---|---|
| CatalogueNumber | 14-493 |
| BrandFamily | Upstate |
| TradeName |
|
| Description | HistoneH2AProtein,humanrecombinant,100µg |
| Overview | RecombinanthumanhistoneH2A |
| AlternateNames |
|
| ProductInformation |
|---|
| StorageandShippingInformation | |
|---|---|
| StorageConditions | 2yearsat4°C |
| Applications | |
|---|---|
| Application | RecombinanthumanHistoneH2AproducedinE.coli,purifiedusingFPLC.ForuseinEnzymeAssays. |
| KeyApplications |
|
| BIOLOGicalInformation | |
|---|---|
| Source | HistoneH2AproducedinE.coli |
| SpecificActivity | ForSpecificActivitydata,refertotheCertificateofAnalysisforindividuallotsofthisenzyme. |
| EntrezGeneNumber | |
| EntrezGeneSummary | HistonesarebasicnuclearproteinsthatareresponsIBLeforthenucleosomestructureofthechromosomalfiberineukaryotes.Twomoleculesofeachofthefourcorehistones(H2A,H2B,H3,andH4)formanoctamer,aroundwhichapproximately146bpofDNAiswrappedinrepeatingunits,callednucleosomes.Thelinkerhistone,H1,interactswithlinkerDNAbetweennucleosomesandfunctionsinthecompactionofchromatinintohigherorderstructures.ThisgeneencodesamemberofthehistoneH2Afamily,andgeneratestwotranscriptsthroughtheuseoftheconservedstem-loopterminationmotif,andthepolyAadditionmotif. |
| GeneSymbol |
|
| PurificationMethod | FPLCagarosecolumn |
| UniProtNumber | |
| UniProtSummary | FUNCTION:SwissProt:P16104#VarianthistoneH2AwhichreplacesconventionalH2Ainasubsetofnucleosomes.NucleosomeswrapandcompactDNAintochromatin,limitingDNAaccessibilitytothecellularmachinerieswhichrequireDNAasatemplate.Histonestherebyplayacentralroleintranscriptionregulation,DNArepair,DNAreplicationandchromosomalstABIlity.DNAaccessibilityisregulatedviaacomplexsetofpost-translationalmodificationsofhistones,alsocalledhistonecode,andnucleosomeremodeling.Requiredforcheckpoint-mediatedarrestofcellcycleprogressioninresponsetolowdosesofionizingrADIationandforefficientrepairofDNAdoublestrandbreaks(DSBs)specificallywhenmodifiedbyC-terminalphosphorylation. SIZE:143aminoacids;15145Da SUBUNIT:ThenucleosomeisahistoneoctamercontainingtwomoleculeseachofH2A,H2B,H3andH4assembledinoneH3-H4heterotetramerandtwoH2A-H2Bheterodimers.Theoctamerwrapsapproximately147bpofDNA.InteractswithnumerousproteinsrequiredforDNAdamagesignalingandrepairwhenphosphorylatedonSer-140.TheseincludeMDC1,TP53BP1,BRCA1andtheMRNcomplex,composedofMRE11A,RAD50,andNBN.InteractionwiththeMRNcomplexismediatedatleastinpartbyNBN.AlsointeractswithDHX9/NDHIIwhenphosphorylatedonSer-140. SUBCELLULARLOCATION:Nucleus.DEVELOPMENTALSTAGE:SynthesizedinG1aswellasinS-phase. DOMAIN:SwissProt:P16104The[ST]-QmotifconstitutesarecognitionsequenceforkinasesfromthePI3/PI4-kinasefamily. PTM:PhosphorylatedonSer-140(toformgamma-H2AFX)inresponsetoDNAdoublestrandbreaks(DSBs)generatedbyexogenousgenotoxicagentsandbystalledreplicationforks,andmayalsooccurduringmeioticrecombinationeventsandimmunoglobulinclassswitchinginlymphocytes.PhosphorylationcanextenduptoseveralthousandnucleosomesfromtheactualsiteoftheDSBandmaymarkthesurroundingchromatinforrecruitmentofproteinsrequiredforDNAdamagesignalingandrepair.Widespreadphosphorylationmayalsoservetoamplifythedamagesignaloraidrepairofpersistentlesions.PhosphorylationofSer-140inresponsetoionizingradiationismediatedbybothATMandPRKDCwhiledefectsinDNAreplicationinduceSer-140phosphorylationsubsequenttoactivationofATRandPRKDC.DephosphorylationofSer-140byPP2AisrequiredforDNADSBrepair.Inmeiosis,Ser-140phosphorylationmayoccuratsynaptonemalcomplexesduringleptoteneasanATM-dependentresponsetotheformationofprogrammedDSBsbySPO11.Ser-140phosphorylationmaysubsequentlyoccursatunsynapsedregionsofbothautosomesandtheXYbivalentduringzygotene,downstreamofATRandBRCA1activation.Ser-140phosphorylationmayalsoberequiredfortranscriptionalrepressionofunsynapsedchromatinandmeioticsexchromosomeinactivation(MSCI),wherebytheXandYchromosomescondenseinpachytenetoformtheheterochromaticXY-body.Duringimmunoglobulinclassswitchrecombinationinlymphocytes,Ser-140phosphorylationmayoccuratsitesofDNA-recombinationsubsequenttoactivationoftheactivation-inducedcytidinedeaminaseAICDA.&MonoubiquitinationofLys-120byRING1andRNF2/RING2complexgivesaspecifictagforepigenetictranscriptionalrepression(Bysimilarity). SIMILARITY:BelongstothehistoneH2Afamily. |
| MolecularWeight | ~14kDa |
| PhysicochemicalInformation |
|---|
| Dimensions |
|---|
| MaterialsInformation |
|---|
| MaterialsInformation |
|---|
品牌介绍
Millipore常用产品报价单
| 产品名 | 货号 | 公司分类 | 商城分类 | 美金价 |
| Millipore/475855-1R神奇滤布 密理博Millipore现货促销 | 475855-1R | Life Science Research | 膜 | 93.50 | Millipore/17-701/EZ-Magna RIP™ RNA-Binding Protein Immunoprecipitation Kit | 17-701 | Life Science Research | 定量试剂盒 | 653.00 | Millipore/RIPAb+ Ago2 - RIP Validated Antibody and Primer Set | 03-110 | Life Science Research | 抗体套装 | 433.00 | Millipore/CBL468F | Anti-PECAM-1 Antibody, clone HC1/6, FITC conjugated/CBL468F/100 assays | CBL468F | Antibodies and Assays | 功能性抗体 | 298.00 | Millipore/ECM460 | αVβ3/PECAM Investigator Kit/ECM460/1 kit | ECM460 | Antibodies and Assays | 夹心法ELISA | 477.00 |
公司介绍
产品分类
销售排行
问答列表
厂家直采
全球直采 正品优价
正品保障
厂家直发 有线跟踪
正规清关
CIF100%正规报关，提供发票
及时交付
限时必达 不达必赔
总部地址：
江苏省苏州市工业园区星湖街218号 苏州生物医药产业园一期（生物纳米园）A4-216(邮编：215125)
工作时间：周一至周五9:00~18:00
技术支持：
短信：18915418616
服务热线：
4000-520-616（全国）
☏ 0512-67156496（苏州）
版权信息：
© 2015- 苏州蚂蚁淘生物科技有限公司 版权所有 中国
友情链接：
联系QQ:764052152
免责声明：
本站有部分内容来自互联网，如无意中侵犯了某个媒体 、公司 、企业或个人等的知识产权，请来电或致函告之，
本网站将在规定时间内给予删除等相关处理。
本网站将在规定时间内给予删除等相关处理。
扫描二维码关注官方微信
获取最新促销及产品信息