Figure 3. Mutation analysis of the SAG gene in a Chinese family with Oguchi’s disease. A: The family pedigree with the patient indicated with a filled symbol. B: Overview of the SAG nucleotide changes identified with mutation analysis in the family members. Nucleotide changes in the patient inherited from the mother are indicated in the box. C: Chromatograms showing the heterozygous SAG mutation c.577C>T (Arg193stop) in the patient. The affected genetic code is indicated in the box.