| Immunogen | KLH-conjugatedlinearpeptidecorrespondingtohumanHistoneH4whensymmetricallydimethylatedatArg3. | 
| Epitope | DimethylatedArg3 | 
| Concentration | PleaserefertotheCertificateofAnalysisforthelot-specificconcentration. | 
| Host | Rabbit | 
| Specificity | ThisantibodyrecognizesHistoneH4symmetricallydimethylatedatArg3. | 
| SpeciesReactivity |  | 
| SpeciesReactivityNote | Demonstratedtoreactwithhuman,mouse,andrat.Broadspeciescross-reactivityexpectedbasedonsequencesimilarity. | 
| AntibodyType | PolyclonalAntibody | 
| EntrezGeneNumber |  | 
| EntrezGeneSummary | HistonesarebasicnuclearproteinsthatareresponsIBLeforthenucleosomestructureofthechromosomalfiberineukaryotes.Thisstructureconsistsofapproximately146bpofDNAwrappedaroundanucleosome,anoctamercomposedofpairsofeachofthefourcorehistones(H2A,H2B,H3,andH4).Thechromatinfiberisfurthercompactedthroughtheinteractionofalinkerhistone,H1,withtheDNAbetweenthenucleosomestoformhigherorderchromatinstructures.ThisgeneisintronlessandencodesamemberofthehistoneH4family.TranscriptsfromthisgenelackpolyAtails;instead,theycontainapalindromicterminationelement.Thisgeneisfoundinahistoneclusteronchromosome1.Thisgeneisoneoffourhistonegenesintheclusterthatareduplicated;thisrecordrepresentsthetelomericcopy.[providedbyRefSeq]. | 
| GeneSymbol | HIST1H4AH4/JHIST1H4FHIST1H4LH4FNH4FAH4FHHIST1H4HH4F2H4FMH4/AH4FKH4FGHIST2H4H4FBH4/KHIST1H4IH4/NHIST1H4BH4FEH4/MH4/aHIST1H4EHIST4H4HIST2H4AH4FCH4FIH4/HHIST1H4CH4/GHIST1H4KH4FJH4FDH4/IH4/BH4/DH4/CHIST1H4JHIST1H4DH4/E
 | 
| Modifications |  | 
| PurificationMethod | AffinityPurfied | 
| UniProtNumber |  | 
| UniProtSummary | FUNCTION:Corecomponentofnucleosome.NucleosomeswrapandcompactDNAintochromatin,limitingDNAaccessibilitytothecellularmachinerieswhichrequireDNAasatemplate.Histonestherebyplayacentralroleintranscriptionregulation,DNArepair,DNAreplicationandchromosomalstability.DNAaccessibilityisregulatedviaacomplexsetofpost-translationalmodificationsofhistones,alsocalledhistonecode,andnucleosomeremodeling. 
 SUBUNITSTRUCTURE:ThenucleosomeisahistoneoctamercontainingtwomoleculeseachofH2A,H2B,H3andH4assembledinoneH3-H4heterotetramerandtwoH2A-H2Bheterodimers.Theoctamerwrapsapproximately147bpofDNA.
 
 SUBCELLULARLOCATION:Nucleus.Chromosome.
 
 PTM:AcetylationatLys-6(H4K5ac),Lys-9(H4K8ac),Lys-13(H4K12ac)andLys-17(H4K16ac)occursincodingregionsofthegenomebutnotinheterochromatin.
 
 CitrullinationatArg-4(H4R3ci)byPADI4impairsmethylation.
 
 MonomethylationatArg-4(H4R3me1)byPRMT1favorsacetylationatLys-9(H4K8ac)andLys-13(H4K12ac).DemethylationisperformedbyJMJD6.
 
 SymmetricdimethylationonArg-4(H4R3me2a)bythePRDM1/PRMT5complexmayplayacrucialroleinthegerm-celllineage.
 
 Monomethylated,dimethylatedortrimethylatedatLys-21(H4K20me1,H4K20me2,H4K20me3).MonomethylationisperformedbySET8.TrimethylationisperformedbySUV420H1andSUV420H2andinducesgenesilencing.
 
 UbiquitinatedbytheCUL4-DDB-RBX1complexinresponsetoultravioletirradiation.ThismayweakentheinteractionbetweenhistonesandDNAandfacilitateDNAaccessibilitytorepairproteins.MonoubiquitinatedatLys-92ofhistoneH4(H4K91ub1)inresponsetoDNAdamage.TheexactroleofH4K91ub1inDNAdamageresponseisstillunclearbutitmayfunctionasalicensingsignalforadditionalhistoneH4post-translationalmodificationssuchasH4Lys-21methylation(H4K20me).
 
 Sumoylated,whichisassociatedwithtranscriptionalrepression.
 
 SEQUENCESIMILARITIES:BelongstothehistoneH4family.
 
 SEQUENCECAUTION:ThesequenceAAI28106.1differsfromthatshown.Reason:Frameshiftatposition3.
 | 
| MolecularWeight | ~13kDaobserved.Crossreactingbandat~58kDahasbeenobservedinsomelysates. |