Antibody was affinity purified using an epitope specific to ATR immobilized on solid support. The epitope recognized by A300-138A maps to a region between residues 1675 and 1725 of human Ataxia Telangiectasia and Rad3-related using the numbering given in entry NP_001175.1 (GeneID 545). Immunoglobulin concentration was determined by extinction coefficient: absorbance at 280 nm of 1.4 equals 1.0 mg of IgG.
ataxia telangiectasia and Rad3-related protein, FCTCS, FRAP-related protein 1, FRAP-related protein-1, FRP1, MEC1, MEC1, mitosis entry checkpoint 1, homolog, SCKL, SCKL1, serine/threonine-protein kinase ATR
between 1675 and 1725
2 - 8°C
Detection of human ATR by western blot. Samples: Whole cell lysate (15 µg) from HeLa, HEK293T, and Jurkat cells prepared using NETN lysis buffer. Antibody: Affinity purified rabbit anti-ATR antibody A300-138A (lot A300-138A-4) used for WB at 0.4 µg/ml. Detection: Chemiluminescence with an exposure time of 3 minutes.
Detection of human ATR by western blot of immunoprecipitates. Samples: Whole cell lysate (1.0 mg per IP reaction; 20% of IP loaded) from HeLa cells prepared using NETN lysis buffer. Antibodies: Affinity purified rabbit anti-ATR antibody A300-138A (lot A300-138A-4) used for IP at 3 µg per reaction. ATR was also immunoprecipitated by rabbit anti-ATR antibody A300-137A. For blotting immunoprecipitated ATR, A300-138A was used at 1 µg/ml. Detection: Chemiluminescence with an exposure time of 10 seconds.