Immunogen | LinearpeptidecorrespondingtheC-terminalaminoacids113-127ofhumanHistoneH2A.Z. |
Epitope | C-terminus |
Host | Sheep |
Specificity | RecognizesHistoneH2A.Z,Mr~15kDa. |
SpeciesReactivity | |
SpeciesReactivityNote | Human.Widespeciesreactivityisexpected. Predictedtocross-reactwithzebrafish,mouse,chicken,rat,rabbit,andXenopusbasedonsequencehomology.
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AntibodyType | PolyclonalAntibody |
EntrezGeneNumber | |
EntrezGeneSummary | HistonesarebasicnuclearproteinsthatareresponsIBLeforthenucleosomestructureofthechromosomalfiberineukaryotes.Nucleosomesconsistofapproximately146bpofDNAwrappedaroundahistoneoctamercomposedofpairsofeachofthefourcorehistones(H2A,H2B,H3,andH4).Thechromatinfiberisfurthercompactedthroughtheinteractionofalinkerhistone,H1,withtheDNAbetweenthenucleosomestoformhigherorderchromatinstructures.ThisgeneencodesamemberofthehistoneH2Afamily.Severaltranscriptvariantsencodingdifferentisoforms,havebeenidentifiedforthisgene.[providedbyRefSeq].
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GeneSymbol | - H2A.z
- H2A/z
- H2AZ
- MGC117173
- H2AFZ
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PurificationMethod | AffinityPurfied |
UniProtNumber | |
UniProtSummary | FUNCTION:VarianthistoneH2AwhichreplacesconventionalH2Ainasubsetofnucleosomes.NucleosomeswrapandcompactDNAintochromatin,limitingDNAaccessibilitytothecellularmachinerieswhichrequireDNAasatemplate.Histonestherebyplayacentralroleintranscriptionregulation,DNArepair,DNAreplicationandchromosomalstability.DNAaccessibilityisregulatedviaacomplexsetofpost-translationalmodificationsofhistones,alsocalledhistonecode,andnucleosomeremodeling.Maybeinvolvedintheformationofconstitutiveheterochromatin.Mayberequiredforchromosomesegregationduringcelldivision.Ref.7
SUBUNITSTRUCTURE:ThenucleosomeisahistoneoctamercontainingtwomoleculeseachofH2A,H2B,H3andH4assembledinoneH3-H4heterotetramerandtwoH2A-H2Bheterodimers.Theoctamerwrapsapproximately147bpofDNA.H2AoritsvariantH2AFZformsanheterodimerwithH2B.H2AFZinteractswithINCENPBysimilarity.
SUBCELLULARLOCATION:Nucleus.
PTM:MonoubiquitinationofLys-122givesaspecifictagforepigenetictranscriptionalrepression.
AcetylatedonLys-5,Lys-8andLys-12duringinterphase.AcetylationdisappearsatmitosisBysimilarity.
NotphosphorylatedBysimilarity.
SIMILARITY:BelongstothehistoneH2Afamily.
MOLECULARWEIGHT:is13413.4Dafrompositions2-128.DeterminedbyESI.Monoisotopic,notmodified.Ref.8Ref.10Ref.11
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MolecularWeight | ~15kDa |