inborn error of amino acid metabolism pathway neurodevelopmental disorder pathway AGAT deficiency pathway 2015-12-15T14:23:55Z An autosomal recessive condition characterized by developmental delay and mental retardation due to defects in the GATM gene. PW:0002359 SMP:00362 SMP:00507 VPetri arginine:glycine amidinotransferase deficiency pathway pathway