Figure 1 of
Gao, Mol Vis 2007;
13:287-292.
Figure 1. Pedigrees number 485 and number 1526 segregate the SP4/GNB1 alleles
Filled symbols indicate individuals with retinitis pigmentosa. Probands are indicated by arrows. The allele designation SP4 denotes the Asn306Ser allele, GNB1 denotes the A-G substitution in intron 2 of the GNB1 gene, + denotes normal alleles.