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Key Documents

07-442

Sigma-Aldrich

Anti-trimethyl-Histone H3 (Lys9) Antibody

Upstate®, from rabbit

Synonym(s):

H3K9me3, Histone H3 (tri methyl K9), H3 histone family, member T, histone 3, H3, histone cluster 3, H3

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About This Item

UNSPSC Code:
12352203
eCl@ss:
32160702
NACRES:
NA.41

biological source

rabbit

Quality Level

antibody form

purified antibody

antibody product type

primary antibodies

clone

polyclonal

species reactivity

human, mouse, rat, chicken

manufacturer/tradename

Upstate®

technique(s)

ChIP: suitable (ChIP-seq)
dot blot: suitable
immunocytochemistry: suitable
inhibition assay: suitable (peptide)
multiplexing: suitable
western blot: suitable

isotype

IgG

NCBI accession no.

UniProt accession no.

shipped in

dry ice

target post-translational modification

trimethylation (Lys9)

Gene Information

human ... H3C1(8350)
mouse ... H3C1(360198)
rat ... H3C1(679994)

General description

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.

Specificity

Expected to cross-react with chicken, mouse and rat.
Trimethyl-histone H3 (Lys9). Broad species cross-reactivity expected.

Immunogen

Epitope: Lys9
KLH-conjugated, 2X-branched synthetic peptide containing the sequence …AR[me3K]ST… in which me3K corresponds to trimethyl-lysine at residue 9 of human histone H3.

Application

Anti-trimethyl-Histone H3 (Lys9), Cat. No. 07-442 is a rabbit polyclonal antibody that detects Histone H3 (Met3-Lys9) and is tested for use in Western Blotting, Dot Blot, Peptide Inhibition Assay, and Immunocytochemistry.
Research Category
Epigenetics & Nuclear Function
Research Sub Category
Histones
Tested Applications

Immunocytochemistry Analysis: A 1:250 dilution of this antibody detected Histone H3 (Met3-Lys9) in Mouse Embryo Fibroblasts (MEF).

Peptide Inhibition Assay: Target band detection in acid extract of HeLa cells was prevented by pre-blocking of a representative lot with the immunogen Histone H3 (Met3-Lys9) peptide, but not the corresponding unmodified Histone H3 peptide.

Dot Blot Analysis: A 1:1,000 dilution from a representative lot detected trimethyl-Histone H3 (Lys9) peptide, but did not detect di-methyl Histone H3 (Lys9) peptide, mono-methyl Histone H3 (Lys9) peptide, nor unmodified Histone H3 (1-19) peptide.

Note: Actual optimal working dilutions must be determined by end user as specimens, and experimental conditions may vary with the end user.

Quality

Evaluated by Western Blotting in HeLa cell acid extract.

Western Blotting Analysis (WB): A 1:1,000 dilution of this antibody detected Histone H3-Lys9me3 in HeLa cell acid extract, but did not detect unmodified recombinant Histone H3.

Target description

17 kDa

Physical form

Format: Purified
Protein A chromatography
Purified rabbit polyclonal IgG in buffer containing 0.07 M Tris-glycine, pH 7.4, 0.105 M NaCl, 0.035% sodium azide and 30% glycerol.

Storage and Stability

Store at -10°C to -25°C. Handling Recommendations: Upon receipt and prior to removing the cap, centrifuge the vial and gently mix the solution. Aliquot into microcentrifuge tubes and store at -20°C. Avoid repeated freeze/thaw cycles, which may damage IgG and affect product performance.

Analysis Note

Control
Acid-extracted proteins from HeLa cells.

Other Notes

Concentration: Please refer to the Certificate of Analysis for the lot-specific concentration.

Legal Information

UPSTATE is a registered trademark of Merck KGaA, Darmstadt, Germany

Disclaimer

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

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Storage Class Code

10 - Combustible liquids

WGK

WGK 1


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Short-Chain Fatty Acids Regulate the Enteric Neurons and Control Gastrointestinal Motility in Rats.
Soret R, Chevalier J, De Coppet P, Poupeau G, Derkinderen P, Segain JP, Neunlist M
Gastroenterology null
Msc1 links dynamic Swi6/HP1 binding to cell fate determination.
Lawrence, RJ; Volpe, TA
Proceedings of the National Academy of Sciences of the USA null
Positive histone marks are associated with active transcription from a methylated ICSBP/IRF8 gene.
Marina Tshuikina, Kenneth Nilsson, Fredrik Oberg
Gene null
Genome-wide analysis of heterochromatin associates clonally variant gene regulation with perinuclear repressive centers in malaria parasites.
Lopez-Rubio, JJ; Mancio-Silva, L; Scherf, A
Cell host & microbe null
John Arne Dahl et al.
Stem cells (Dayton, Ohio), 25(4), 1037-1046 (2007-02-03)
Chromatin immunoprecipitation (ChIP) is a key technique for studying protein-DNA interactions and mapping epigenetic histone modifications on DNA. Current ChIP protocols require extensive sample handling and large cell numbers. We developed a quick and quantitative (Q(2))ChIP assay suitable for histone

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