This antibody reacts with human and mouse Cul7 by western blot and immunoprecipitation. The antibody immunoprecipitates in vitro translated protein and also immunoprecipitates protein from cell lysates (using HeLa, NIH-3T3, and others). This antibody also co-immunoprecipitates associated proteins in overexpressed CUL7 systems. A 191.2 kDa band corresponding to human Cul7 is detected. Most cell lines expressing Cul7 can be used as a positive control. Researchers should determine optimal titers for other applications.