Mutation seen in Hartnup's disease:: (A) SLC6A 18, (B) SLC6A 19, (C) SLC6A 17, (D) SLC6A 16
Answer is B. b. SLC6A 19(Ref: Nelson 20/e p 3160)Hartnup's disease is due to mutation of SLC6A 19 gene encoding the neutral amino acid transporter, resulting in deficiency of nicotinamide synthesis