Table 1.

Genetic loci associated with dominant cone dystrophies. Column 1, chromosomal localization. Column 2, disease nomenclature according to RetNet. Column 3, Online Mendelian Inheritance in Man (OMIM) nomenclature. Column 4, gene symbol. Column 5, function of the gene product. Column 6, references.

Locus	Symbol	OMIM	Gene	Function	Reference
6p21.1	CORD3	602093	GUCA1A	Guanylate cyclase activator	Review: (Baehr & Palczewski, 2007)
6q13	CORD7	603649	RIMS1	Function unknown; ribbon synapse-associated	Johnson et al., 2003)
17p13.1	CORD6	601777	GUCY2D	Photoreceptor guanylate cyclase	(Perrault et al., 1996); review: (Baehr & Palczewski, 2007)
17p13.2	CORD5	600977	PITPNM3	involved in photoreceptor membrane renewal; Drosophila homolog is retinal degeneration B (rdgB)	(Kohn et al., 2007)
17q11.2		604011	UNC119	Function unknown; localizes to rod and cone cytoplasm and ribbon synapses	(Kobayashi et al., 2000)
18q21.1-q21.3	CORD1	600624	QRX	Transcription factor	(Wang et al., 2004)
19q13.3	CORD2	120970	CRX	Transcription factor	(Swain et al., 1997)