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

Categories: Pigmentation phene , Vision / eye phene

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)
axolotl (Ambystoma mexicanum)
marine toad (Rhinella marina)
dark-spotted frog (Pelophylax nigromaculatus)
Japanese wrinkled frog (Glandirana rugosa)
Tufted capuchin (Sapajus apella)
Rhesus monkey (Macaca mulatta)
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 (donkey) (Equus asinus)
pig (Sus scrofa)
red deer (Cervus elaphus)
American bison (Bison bison)
taurine cattle (Bos taurus)
rabbit (Oryctolagus cuniculus)
golden hamster (Mesocricetus auratus)
Mongolian gerbil (Meriones unguiculatus)
domestic guinea pig (Cavia porcellus)
Japanese ratsnake (Elaphe climacophora)
thirteen-lined ground squirrel (Ictidomys tridecemlineatus)
ball python (Python regius)
water buffalo (Bubalus bubalis)
four-striped grass mouse (Rhabdomys pumilio)
ocelot gecko (Paroedura picta)
American mink (Neogale vison)
Rice frog (Fejervarya kawamurai)
red-necked wallaby (Notamacropus rufogriseus)
Japanese raccoon dog (Nyctereutes viverrinus)

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
  • Changed by Imke Tammen2 on 26 Jul 2023
  • Changed by Imke Tammen2 on 05 Jun 2024
  • Changed by Imke Tammen2 on 11 Oct 2024
  • Changed by Imke Tammen2 on 08 Sep 2025