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Purified calf thymus H1 chemically methylated on lysines. The reaction generates di-methyl lysine only.
This antibody will be extremely useful in the study of the regulation of transcription by methylation. Has also been successfully used in CHIP in both human and yeast.
Our Abpromise guarantee covers the use of ab7315 in the following tested applications.
The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.
|ChIP||Use at an assay dependent concentration. Every new batch of this antibody is tested at Abcam in ChIP.|
|ELISA||Use at an assay dependent concentration.|
|IP||Use at an assay dependent concentration. PubMed: 20603076|
|WB||1/1000 - 1/2000. Predicted molecular weight: 14-17 kDa.|
|ICC/IF||Use a concentration of 5 µg/ml.|
|IHC-P||Use a concentration of 1 µg/ml. Perform heat mediated antigen retrieval before commencing with IHC staining protocol.|
Chromatin was prepared from Hela cells according to the Abcam X-ChIP protocol. Cells were fixed with formaldehyde for 10min. The ChIP was performed with 25µg of chromatin, 6.5µl of ab7315 (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.
ICC/IF image of ab7315 stained HeLa cells. The cells were 100% methanol fixed (5 min) and then incubated in 1%BSA / 10% normal goat serum / 0.3M glycine in 0.1% PBS-Tween for 1h to permeabilise the cells and block non-specific protein-protein interactions. The cells were then incubated with the antibody ab7315 at 5µg/ml overnight at +4°C. The secondary antibody (green) was DyLight® 488 goat anti- rabbit (ab96899) IgG (H+L) used at a 1/1000 dilution for 1h. Alexa Fluor® 594 WGA was used to label plasma membranes (red) at a 1/200 dilution for 1h. DAPI was used to stain the cell nuclei (blue) at a concentration of 1.43µM.