O opsin 2 RP4 MGI:97914 Long Wavelength Sensitive opsin Noerg1|L opsin|LWS opsin|Long Wavelength Sensitive opsin|Rod Opsin|opsin 2|Red Opsin|Ops|Opn2|RP4 Rho Opn2 http://identifiers.org/mgd/MGI:97914 + protein coding gene Gene Red Opsin Noerg1 rhodopsin LWS opsin genetic mapping Ops L opsin Rod Opsin