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I see from your website that synthetic peptides were used to synthesize KAP1 antibodies ab10483 and ab10484. I purchased antibody ab10484 (having apparently overlooked the ChIP-grade ab10483) and have recently tried to use it in a Re-ChIP assay. The background was high for the first IP and the Re-ChIP result was somewhat difficult to interpret because in one context, the signal was much lower than expected and in another it was much higher. Would it be possible to send me information regarding the specific epitopes used in creating these products. |
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Thank you for contacting us. |
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Please note: All products are "FOR RESEARCH USE ONLY AND ARE NOT INTENDED FOR DIAGNOSTIC OR THERAPEUTIC USE"
Predicted band size : 100 kDa
Detection of Human KAP1 by Western Blot and Immunoprecipitation. Samples: A. Whole cell lysate (50 ug for E, 10 ug for T) from normal 293T cells (E) or 293T cells transiently transfected with a human KAP1 construct (T). B. Whole cell lysate (0.5 mg) from normal 293T cells. Antibodies: ab10483 used at the indicated concentration for WB (A) or 2 ug/0.5 mg lysate for IP (B). Immunoprecipitated KAP1 was detected using a KAP1 antibody from another source. Detection: Chemiluminescence with a 1 minute exposure.
The ab10483 antibody was used to immunoprecipitate KAP1 from HEK293 nuclear extracts. Three different amounts of ab10483 or control IgG were tested (1, 2 or 4 ug). The eluates from these experiments as well as the supernatants from the KAP1 IPs were analyzed by Western blotting using the ab10483 antibody. As shown by Western blotting, the presence of a ~110 kDa band demonstrated that KAP1 was specifically precipitated from these extracts. The 50 and 25 kDa bands correspond to the IgG of the IP antibodies.
This image was taken from an abreview submitted by an Seth Frietze.
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