Galactose-1-phosphate uridylyltransferase deficiency [94]SUCLG1 deficiency [29]Hypoxanthine guanine phosphoribosyltransferase deficiency (Lesch-Nyhan syndrome) [35]OPA3 deficiency [47]Birk-Landau-Perez syndrome [78]. Here, GALT is linked to Lesch-Nyhan syndrome.