- Complete exon-intron structure of the RPGR-interacting protein (RPGRIP1) gene allows the identification of mutations underlying Leber congenital amaurosis. Gerber, S., Perrault, I., Hanein, S., Barbet, F., Ducroq, D., Ghazi, I., Martin-Coignard, D., Leowski, C., Homfray, T., Dufier, J.L., Munnich, A., Kaplan, J., Rozet, J.M. Eur. J. Hum. Genet. (2001)