B Structure of parkin, with PD‐linked residues from (D) highlighted in dark gray (PDB ID: 4K95). Ubl, ubiquitin‐like domain (red); RING0, RING0 domain (green); RING1, RING1 domain (cyan); IBR, in‐between RING (magenta); REP, repressor element of parkin (yellow); RING2, RING2 domain (salmon). 