商品介绍
| Description | |
|---|---|
| CatalogueNumber | 17-327 |
| BrandFamily | Upstate |
| TradeName |
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| Description | H2A.XPhosphorylationAssayKit(ChemiluminescenceDetection) |
| Overview | |
| ProductInformation | |
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| Components |
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| Detectionmethod | Chemiluminescence |
| StorageandShippingInformation |
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| Applications | |
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| Application | TheH2A.XPhosphorylation,ChemiluminescenceDetectionAssayKitisacell-basedELISAformattedforchemiluminescentdetectionofrelativelevelsofphosphorylatedH2A.Xinmicroplatecellscultures. |
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| BIOLOGicalInformation | |
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| EntrezGeneNumber | |
| EntrezGeneSummary | HistonesarebasicnuclearproteinsthatareresponsIBLeforthenucleosomestructureofthechromosomalfiberineukaryotes.Twomoleculesofeachofthefourcorehistones(H2A,H2B,H3,andH4)formanoctamer,aroundwhichapproximately146bpofDNAiswrappedinrepeatingunits,callednucleosomes.Thelinkerhistone,H1,interactswithlinkerDNAbetweennucleosomesandfunctionsinthecompactionofchromatinintohigherorderstructures.ThisgeneencodesamemberofthehistoneH2Afamily,andgeneratestwotranscriptsthroughtheuseoftheconservedstem-loopterminationmotif,andthepolyAadditionmotif. |
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| Modifications |
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| 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. |
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| 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 |
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