FOXM1 and gastric cancer: Subsequently, the E3 ligase prediction tools UbiBrowser (http://ubibrowser.ncpsb.org.cn/ubibrowser/) (32) and UbiNet 2.0 (http://awi.cuhk.edu.cn/~ubinet/ index.php) (33) combined with the gene expression analysis tools Gene Expression Profiling Interactive Analysis (GEPIA; http://gepia.cancer-pku.cn/) and University of Alabama at Birmingham Cancer Data Analysis Portal (UALCAN; http://ualcan.path.uab.edu/) further indicated 77 E3 ligase candidates potentially degrade FOXM1 in gastric cancer.