TP53 and neoplasm: Immunoblotting with a p53 antibody revealed increased mutant p53 levels in the Nr5a2 pull-downs of both the MaPR172H/− tumor (YZ10), and MaPR245W/− tumor (JM1564) compared with IgG control, affirming that p53R172H and p53R245W both interact with Nr5a2 (Fig. 6E).