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You are here:Home » Antibodies » Abs to Histones » Anti -Histone H3, monomethyl (Lys9)

Anti -Histone H3, monomethyl (Lys9)

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Specifications

Clone Host Grade Applications
Monoclonal Mouse Affinity Purified B
Histone H3 is one of the five main histone proteins involved in the structure of chromatin in eukaryotic cells. Featuring a main globular domain and a long N-terminal tail, H3 is involved with the structure of the nucleosomes of the 'beads on a string' structure. The N-terminal tail of histone H3 protrudes from the globular nucleosome core and can undergo several different types of epigenetic modifications that influence cellular processes. These modifications include the covalent attachment of methyl or acetyl groups to lysine and arginine amino acids and the phosphorylation of serine or threonine. Histone methyltransferase that specifically trimethylates 'Lys-9' of histone H3 using monomethylated H3 'Lys-9' as substrate. Also weakly methylates Histone H1 (in vitro). H3 'Lys-9' trimethylation represents a specific tag for epigenetic transcriptional repression by recruiting HP1 (CBX1, CBX3 and/or CBX5) proteins to methylated histones. Mainly functions in heterochromatin regions, thereby playing a central role in the establishment of constitutive heterochromatin at pericentric and telomere regions. H3 'Lys-9' trimethylation is also required to direct DNA methylation at pericentric repeats. SUV39H1 is targeted to histone H3 via its interaction with RB1 and is involved in many processes, such as repression of MYOD1-stimulated differentiation, regulation of the control switch for exiting the cell cycle and entering differentiaton, repression by the PML-RARA fusion protein, BMP-induced repression, repression of switch recombination to IgA and regulation of telomere length.
Catalog #H5110-11G3
ApplicationsSuitable for use in Western Blot and Peptide Inhibition Assay. Other applications not tested.
Recommended DilutionWestern Blot: 1ug/ml detects Histone H3 in 500ng of recombinant Histone H3 and 10ug of HeLa acid extract.
Optimal dilutions to be determined by the researcher.
Recommended ControlRecombinant Histone H3 and HeLa acid extract.
Storage and StabilityMay be stored at 4°C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Aliquots are stable for 12 months. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.
Clone TypeMonoclonal
IsotypeIgG2a
Clone No10A19
HostMouse
SourceHuman
Concentration~1mg/ml
FormSupplied as a liquid in PBS, pH 7.2, 0.05% sodium azide.
PurityPurified by Protein G affinity chromatography.
ImmunogenLinear peptide corresponding to monomethylated Lys9 at the N-terminal region of human Histone H3, conjugated to KLH.
SpecificityRecognizes human monomethylated Lys9 at and around the N-terminal of Histone H3, MW ~17kD. Specificity confirmed by the ability of immunizing peptide to abolish detection of monomethyl Histone H3 (Lys9) in Western Blot analysis of HeLa acid extracts and various other modified histone peptides.
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.


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