| Immunogen | Theimmunogenwasasyntheticpeptidecorrespondingtoaminoacids15-24ofhistoneH4,monomethylatedonLys20. | 
| Epitope | a.a.15-24 | 
| Host | Rabbit | 
| Specificity | RecognizeshistoneH4,Mr~11kDa. | 
| SpeciesReactivity | HumanGreenPlantsVertebrates
 | 
| SpeciesReactivityNote | Human.Nottestedinotherspecies.Theimmunogensequenceisidenticalinawiderangeofanimalandplantspecies,sobroadcross-reactivityisexpected. | 
| AntibodyType | PolyclonalAntibody | 
| EntrezGeneNumber |  | 
| EntrezGeneSummary | HistonesarebasicnuclearproteinsthatareresponsIBLeforthenucleosomestructureofthechromosomalfiberineukaryotes.Twomoleculesofeachofthefourcorehistones(H2A,H2B,H3,andH4)formanoctamer,aroundwhichapproximately146bpofDNAiswrappedinrepeatingunits,callednucleosomes.Thelinkerhistone,H1,interactswithlinkerDNAbetweennucleosomesandfunctionsinthecompactionofchromatinintohigherorderstructures.ThisgeneisintronlessandencodesamemberofthehistoneH4family.TranscriptsfromthisgenelackpolyAtailsbutinsteadcontainapalindromicterminationelement.Thisgeneisfoundinthelargehistonegeneclusteronchromosome6. 
 | 
| GeneSymbol | H4/AH4/BH4/CH4/DH4/EH4/GH4/HH4/IH4/JH4/JH4/MH4/NH4/OH4/aH4F2H4FAH4FBH4FCH4FDH4FEH4FGH4FHH4FIH4FJH4FKH4FMH4FNH4FOHIST2H4
 | 
| Modifications |  | 
| UniProtNumber |  | 
| UniProtSummary | FUNCTION:Corecomponentofnucleosome.NucleosomeswrapandcompactDNAintochromatin,limitingDNAaccessibilitytothecellularmachinerieswhichrequireDNAasatemplate.Histonestherebyplayacentralroleintranscriptionregulation,DNArepair,DNAreplicationandchromosomalstABIlity.DNAaccessibilityisregulatedviaacomplexsetofpost-translationalmodificationsofhistones,alsocalledhistonecode,andnucleosomeremodeling. 
 SUBUNITSTRUCTURE:ThenucleosomeisahistoneoctamercontainingtwomoleculeseachofH2A,H2B,H3andH4assembledinoneH3-H4heterotetramerandtwoH2A-H2Bheterodimers.Theoctamerwrapsapproximately147bpofDNA.
 
 SUBCELLULARLOCATION:Nucleus.
 
 PTM:AcetylationatLys-6,Lys-9,Lys-13andLys-17occursincodingregionsofthegenomebutnotinheterochromatin.
 
 CitrullinationatArg-4byPADI4impairsmethylation.
 
 MonomethylationatArg-4byPRMT1favorsacetylationatLys-9andLys-13.DemethylationisperformedbyJMJD6.
 
 Monomethylated,dimethylatedortrimethylatedatLys-21.MonomethylationisperformedbySET8.TrimethylationisperformedbySUV420H1andSUV420H2andinducesgenesilencing.
 
 UbiquitinatedbytheCUL4-DDB-RBX1complexinresponsetoultravioletirradiation.ThismayweakentheinteractionbetweenhistonesandDNAandfacilitateDNAaccessibilitytorepairproteins.
 
 Sumoylated,whichisassociatedwithtranscriptionalrepression.
 
 SEQUENCESIMILARITY:BelongstothehistoneH4family.
 
 SEQUENCECAUTION:ThesequenceAAI28106.1differsfromthatshown.Reason:Frameshiftatposition3.
 
 
 | 
| MolecularWeight | ~11kDa |