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Synthetic peptide conjugated to KLH derived from within residues 100 to the C-terminus of Human Histone H2B.
(Peptide available as ab16101.)
Our Abpromise guarantee covers the use of ab1790 in the following tested applications.
The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.
|WB||Use a concentration of 0.1 µg/ml. Detects a band of approximately 17 kDa (predicted molecular weight: 14 kDa).Can be blocked with Human Histone H2B peptide (ab16101).|
|IHC-P||Use a concentration of 1 µg/ml. Perform heat mediated antigen retrieval before commencing with IHC staining protocol.|
|ChIP||Use a concentration of 2 - 3 µg/ml.|
|ICC/IF||Use a concentration of 0.5 µg/ml.|
|IP||Use a concentration of 5 µg/ml.|
Chromatin was prepared from U2OS cells according to the Abcam X-ChIP protocol. Cells were fixed with formaldehyde for 10min. The ChIP was performed with 25µg of chromatin, 2µg of ab1790 (blue), and 20µl of Protein A/G sepharose beads. No antibody was added to the beads control (yellow). The immunoprecipitated DNA was quantified by real time PCR (Taqman approach for active and inactive loci, Sybr green approach for heterochromatic loci). Primers and probes are located in the first kb of the transcribed region.
Histone H2B - ChIP Grade was immunoprecipitated using 0.5mg HeLa whole cell extract, 5µg of Rabbit polyclonal to and 50µl of protein G magnetic beads (+). No antibody was added to the control (-).
The antibody was incubated under agitation with Protein G beads for 10min, HeLa whole cell extract lysate diluted in RIPA buffer was added to each sample and incubated for a further 10min under agitation.
Proteins were eluted by addition of 40µl SDS loading buffer and incubated for 10min at 70°C; 10µl of each sample was separated on a SDS PAGE gel, transferred to a nitrocellulose membrane, blocked with 5% BSA and probed with ab1790.
Secondary: Mouse monoclonal [SB62a] Secondary Antibody to Rabbit IgG light chain (HRP) (ab99697).
Band: 14kDa; Histone H2B - ChIP Grade
ICC/IF image of ab1790 stained HeLa cells. The cells were 100% methanol fixed (5 min) then permeabilised using 0.1% PBS-Triton and then incubated in 1%BSA / 10% normal goat serum / 0.3M glycine in 0.1% PBS-Tween for 1h to further permeabilise the cells and block non-specific protein-protein interactions. The cells were then incubated with the antibody ab1790 at 0.1µg/ml overnight at +4°C. The secondary antibody (pseudo-colored green) was Alexa Fluor® 488 goat anti- rabbit (ab150081) IgG (H+L) preadsorbed, used at a 1/1000 dilution for 1h. Alexa Fluor® 594 WGA was used to label plasma membranes (pseudo-colored red) at a 1/200 dilution for 1h at room temperature. DAPI was used to stain the cell nuclei (pseudo-colored blue) at a concentration of 1.43µM for 1hour at room temperature.
Chromatin from Xenopus laevis oocytes was prepared according to the Abcam X-ChIP protocol. Oocytes were fixed with formaldehyde for 10 min. The ChIP was performed with 25 µg of chromatin, 3 µg of ab1790 (anti-H2B, light blue) and 3 µg of ab1791 (anti-H3, dark blue), and 20 µl of Protein A/G sepharose beads. A non-specific antibody was used as a control (yellow). The immunoprecipitated DNA was quantified by real time PCR (Taqman approach).
HeLa cells were fixed in 100% methanol for 6 minutes at -20°C. The cells were washed 3 times in PBS then incubated with ab1790 (0.5µg/ml) for 1 hour at room temperature. The panel of images shows the cells stained with ab1790 (green) and counterstained with DAPI (blue). 100x magnification.
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