Fig. 1From: Declaration: Novel SLC3A1 mutation in a cystinuria patient with xanthine stones: a case reportGenetic map of cystinuria and Sanger sequencing of the SLC3A1 mutation site. a Genetic map of cystinuria (the arrow indicates the proband; the parents and sister of the proband have no history of urinary calculi). b The c.1113C>A homozygous mutation in the SLC3A1 gene of the proband. c The SLC3A1 gene c.1113C>A of the proband’s sister (wild-type). d The c.1113C>A heterozygous mutation in the SLC3A1 gene of the proband’s father. e The c.1113C>A heterozygous mutation in the SLC3A1 gene of the proband’s motherBack to article page