SLC2A10 and Andersen-Tawil syndrome: ATS is due to mutations in SLC2A10 gene, located on chromosome 20q13.1 and encoding for the 541 amino acid facilitative glucose transporter 10 (GLUT10), consisting in 12 transmembrane hydrophobic segments connected by 5 intracellular and 6 extracellular loops [5,6].