| Immunogen | Theimmunogenwasasyntheticpeptidecorrespondingtoaminoacids15-24ofhistoneH4,monomethylatedonLys20. | 
| Epitope | a.a.15-24 | 
| Host | Rabbit | 
| Specificity | RecognizeshistoneH4,Mr~11kDa. | 
| SpeciesReactivity | - Human
 - GreenPlants
 - Vertebrates
 
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| 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/A
 - H4/B
 - H4/C
 - H4/D
 - H4/E
 - H4/G
 - H4/H
 - H4/I
 - H4/J
 - H4/J
 - H4/M
 - H4/N
 - H4/O
 - H4/a
 - H4F2
 - H4FA
 - H4FB
 - H4FC
 - H4FD
 - H4FE
 - H4FG
 - H4FH
 - H4FI
 - H4FJ
 - H4FK
 - H4FM
 - H4FN
 - H4FO
 - HIST2H4
 
  | 
| 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 |