Table 1

Chromosomal locations and numbers of introns of the nine human opsin genes

Opsin
Chromosomal location
Number of introns

Rhodopsin
3q22.1
4
Blue opsin
7q32.1
4
Red opsin
Xq28
5
Green opsin
Xq28
5
Encephalopsin
1q43
3
Melanopsin
10q23.2
9
Peropsin
4q25
6
RGR
10q23.1
6
Neuropsin
6p12.3
6

Terakita Genome Biology 2005 6:213   doi:10.1186/gb-2005-6-3-213