Mutations identified in hereditary neuroblastoma families are shown. Slate blue, NT lobe, residues 1093-1199. Grey, CT lobe, residues 1200-1399. Cyan, P-loop, residues 1123-1128. Purple, αC-helix, residues 1157-1173. Red, catalytic loop, residues 1247-1254. Orange, A-loop, residues 1270-1299. NT, N-terminus. CT, C-terminus. Crystal structure figure produced via PyMOL software (Lee et al. 2010; Chand et al. 2013; Bresler et al. 2014).