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Sigma-Aldrich

Anti-phospho-Histone H2A.X (Ser139) Antibody, clone JBW301, biotin conjugate

clone JBW301, Upstate®, from mouse

Synonym(s):

H2AXS139P, Histone H2A.X (phospho S139), H2A histone family, member X, H2AX histone

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About This Item

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

biological source

mouse

Quality Level

conjugate

biotin conjugate

antibody form

purified antibody

antibody product type

primary antibodies

clone

JBW301, monoclonal

species reactivity

human

manufacturer/tradename

Upstate®

technique(s)

immunocytochemistry: suitable
western blot: suitable

isotype

IgG1

NCBI accession no.

UniProt accession no.

shipped in

dry ice

target post-translational modification

phosphorylation (pSer139)

Gene Information

human ... H2AX(3014)

General description

Histones are basic nuclear proteins that are responsible for the nucleosome structure of the chromosomal fiber in eukaryotes. Nucleosomes consist of approximately 146 bp of DNA wrapped around a histone octamer composed of pairs of each of the four core histones (H2A, H2B, H3, and H4). The chromatin fiber is further compacted through the interaction of a linker histone, H1, with the DNA between the nucleosomes to form higher order chromatin structures.

Specificity

A broad species cross-reactivity is expected based on conservation of sequence homology.
Recognizes Histone H2A.X phosphorylated at Ser139, Mr 15kDa.

Immunogen

Epitope: Ser139
KLH-conjugated, synthetic peptide (CKATQA[pS]QEY) corresponding to amino acids 134-142 of human histone H2A.X. The immunizing sequence has 8 identical amino acids in yeast and mouse.

Application

Anti-phospho-Histone H2A.X (Ser139) Antibody, clone JBW301, biotin conjugate is a Mouse Monoclonal Antibody for detection of phospho-Histone H2A.X (Ser139) also known as H2AXS139P, H2AX histone & has been validated in ICC & WB.
Research Category
Epigenetics & Nuclear Function
Research Sub Category
Histones

Quality

Routinely evaluated in acid extracted histone from Jurkat cell lysates treated with 0.5mM staurosporine (19-123).

Western Blot Analysis:
0.5-1 μg/mL of this lot detected phosphorylated histone H2A.X (Ser139) in acid extracted histone from Jurkat cell lysates treated with 0.5μM staurosporine (Catalog # 19-123).

Target description

15 kDa

Physical form

Protein G Purified
Purified biotin conjugated mouse monoclonal IgG1 in buffer containing 70% storage buffer (0.02 M Phosphate buffer, pH7.6, 0.25 M NaCl, 0.1% sodium azide) and 30% glycerol

Storage and Stability

Stable for 1 year at -20ºC from date of receipt.
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. Note: Variability in freezer temperatures below -20°C may cause glycerolcontaining solutions to become frozen during storage.

Analysis Note

Control
Staurosporine-treated Jurkat cell lysates.

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

12 - Non Combustible Liquids

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable


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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