Figure 2

Mutation analysis of GJB2 in the two Cameroonian individuals affected with sporadic KID. Panel A: Sequence chromatograms of GJB2 from unaffected individual; Panel B: Sequence chromatograms from affected patients depicting the heterozygous transition 148G → A at codon 50 encoding asparagine instead of aspartic acid (p.Asp50Asn) (Panel B).