OMIA 000202 : Coat colour, oculocutaneous albinism type I (OCA1), TYR-related

Possible human homologues (MIM numbers): 203100 (trait) , 606952 (trait) , 606933 (gene)

Cross-species summary: Congenital lack of pigment in most parts of the body. Due to a non-functional form of the enzyme tyrosinase. Also known as Oculocutaneous albinism (OCA), Acromelanism and as the Himalayan coat-colour pattern

Species in which this phene is found:
Japanese medaka (Oryzias latipes)
dark-spotted frog (Pelophylax nigromaculatus)
Japanese wrinkled frog (Glandirana rugosa)
Tufted capuchin (Sapajus apella)
hamadryas baboon (Papio hamadryas)
dog (Canis lupus familiaris)
red fox (Vulpes vulpes)
domestic ferret (Mustela putorius furo)
domestic cat (Felis catus)
lion (Panthera leo)
humpback whale (Megaptera novaeangliae)
ass (Equus asinus)
pig (Sus scrofa)
red deer (Cervus elaphus)
cattle (Bos taurus)
rabbit (Oryctolagus cuniculus)
Mongolian gerbil (Meriones unguiculatus)
domestic guinea pig (Cavia porcellus)
Japanese ratsnake (Elaphe climacophora)
water buffalo (Bubalus bubalis)
American mink (Neovison vison)
Japanese raccoon dog (Nyctereutes procyonoides viverrinus)
Rice frog (Fejervarya kawamurai)

Edit History


  • Created by Frank Nicholas on 03 May 2005
  • Changed by Frank Nicholas on 17 Oct 2012
  • Changed by Imke Tammen2 on 30 Aug 2017
  • Changed by Frank Nicholas on 04 Sep 2017
  • Changed by Frank Nicholas on 06 May 2019
  • Changed by Frank Nicholas on 24 Jun 2020
  • Changed by Frank Nicholas on 21 Oct 2020