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Our Abpromise guarantee covers the use of ab53773 in the following tested applications.
|WB||1/500 - 1/1000. Detects a band of approximately 100 kDa (predicted molecular weight: 69 kDa).|
|IHC-P||Use a concentration of 4 µg/ml. Perform heat mediated antigen retrieval before commencing with IHC staining protocol.|
|ICC/IF||1/100 - 1/250.|
|IP||Use at an assay dependent concentration. PubMed: 23222847|
Chromatin was prepared from modified murine D3 ES cells (an in vitro model of RB1 imprinted expression was generated by integrating human PPP1R26P1 into intron 2 of mouse Rb1 in murine embryonic stem cells (mESCs)). Cells were fixed with formaldehyde for 10 mins. Chromatin was sheared into fragment sizes ranging from 200 to 600 bp. For immunoprecipitation 50 μl of sheared chromatin was set aside as input and 20-40 μg of sheared chromatin in a volume of 100 μl was used for antibody incubation. 4 µg of ab53773 to PML was used as a non-related control (black bars) and 4 µl of a rabbit polyclonal to RNAPII CTD repeat YSPTSPS (phospho S5) (shaded bars) was added as the test. The immunoprecipitated DNA was quantified at 3 positions on the the retinoblastoma (Rb1) promoter. 1,2 = Rb1_48; 3,4 = Rb1_69 and 5,6 = Rb1_74