Figure 4From: Clinical and molecular findings in a Moroccan patient with popliteal pterygium syndrome: a case report Pedigree and electrophoregrams showing a normal sequence (for the two parents) and the heterozygous C>T substitution of the interferon regulatory factor-6 ( IRF6 ) gene causing the p.Arg84Cys amino acid change in the interferon regulatory factor 6 protein (for our patient). Back to article page