OPN1MW2

opsin 1 (cone pigments), medium-wave-sensitive 2
Identifiers
SymbolOPN1MW2
NCBI gene728458
HGNC26952
RefSeqNM_001048181
Other data
LocusChr. X q28

OPN1MW2 is a duplication of the OPN1MW gene, which encodes the medium wavelength sensitive (MWS) photopsin. The gene duplication is present in about 50% of X-chromosomes, so is present in 50% of males and at least once 75% of females. It caused by the same mechanism that causes congenital red-green color blindness, the most common form of color blindness.

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