Immunogen | Ovalbumin-conjugatedsyntheticlinearpeptidecorrespondingtotheC-terminusofHistoneH2B. |
Epitope | C-terminus |
Clone | clone5HH2-2A8 |
Host | Mouse |
Specificity | AntibodyrecognizesHistoneH2BneartheC-terminus. |
Isotype | IgG1κ |
SpeciesReactivity | |
AntibodyType | MonoclonalAntibody |
EntrezGeneNumber | |
EntrezGeneSummary | Histonesarebasicnuclearproteinsthatareresponsibleforthenucleosomestructureofthechromosomalfiberineukaryotes.Twomoleculesofeachofthefourcorehistones(H2A,H2B,H3,andH4)formanoctamer,aroundwhichapproximately146bpofDNAiswrappedinrepeatingunits,callednucleosomes.Thelinkerhistone,H1,interactswithlinkerDNAbetweennucleosomesandfunctionsinthecompactionofchromatinintohigherorderstructures.ThisgeneisintronlessandencodesamemberofthehistoneH2Bfamily.TranscriptsfromthisgenelackpolyAtailsbutinsteadcontainapalindromicterminationelement.Thisgeneisfoundinthesmallhistonegeneclusteronchromosome6p22-p21.3.[providedbyRefSeq] |
GeneSymbol | - H2B
- GL105
- H2B-GL105
- H2B.1
- H2B.q
- H2B/q
- H2BFQ
|
PurificationMethod | Unpurified |
UniProtNumber | |
UniProtSummary | FUNCTION:SwissProt:Q8N257#Corecomponentofnucleosome.NucleosomeswrapandcompactDNAintochromatin,limitingDNAaccessibilitytothecellularmachinerieswhichrequireDNAasatemplate.Histonestherebyplayacentralroleintranscriptionregulation,DNArepair,DNAreplicationandchromosomalstABIlity.DNAaccessibilityisregulatedviaacomplexsetofpost-translationalmodificationsofhistones,alsocalledhistonecode,andnucleosomeremodeling.
SIZE:126aminoacids;13908Da
SUBUNIT:ThenucleosomeisahistoneoctamercontainingtwomoleculeseachofH2A,H2B,H3andH4assembledinoneH3-H4heterotetramerandtwoH2A-H2Bheterodimers.Theoctamerwrapsapproximately147bpofDNA.
SUBCELLULARLOCATION:Nucleus.
PTM:MonoubiquitinationofLys-121bytheRNF20/40complexgivesaspecifictagforepigenetictranscriptionalactivationandisalsoprerequisiteforhistoneH3"Lys-4"and"Lys-79"methylation.ItalsofunctionscooperativelywiththeFACTdimertostimulateelongationbyRNApolymeraseII.&PhosphorylatedonSer-15bySTK4/MST1duringapoptosis;whichfacilitatesapoptoticchromatincondensation.AlsophosphorylatedonSer-15inresponsetoDNAdoublestrandbreaks(DSBs),andincorrelationwithsomatichypermutationandimmunoglobulinclass-switchrecombination.
SIMILARITY:SwissProt:Q8N257##BelongstothehistoneH2Bfamily. |
MolecularWeight | ~15kDa |