Western Blot: Parkin (phospho-Ser101) Antibody [GTX31094] - HEK293 cells transfected with Parkin WT (Phospho) and Parkin S101 mutant (non-phospho) showing the phospho-specific immunolabeling of the ~ 52 k parkin protein. The immunolabeling is absent in the parkin S101 mutant.