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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Oca2p
pink-eyed dilution
MGI:1856114
Summary 29 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
Oca2p/Oca2p Not Specified MGI:3844121
ht2
Oca2p-61H/Oca2p involves: 101/H MGI:5301962
ht3
Oca2p-96H/Oca2p involves: 101/H MGI:5301993
ht4
Oca2p-88H/Oca2p involves: 101/H MGI:5428850
ht5
Oca2p-93H/Oca2p involves: 101/H MGI:5301989
ht6
Oca2p-92H/Oca2p involves: 101/H MGI:5301987
ht7
Oca2p-66H/Oca2p involves: 101/H MGI:5301966
ht8
Oca2p-95H/Oca2p involves: 101/H * C3H/HeH MGI:5301991
ht9
Oca2p-98H/Oca2p involves: 101/H * C3H/HeH MGI:5301997
ht10
Oca2p-86H/Oca2p involves: 101/H * C3H/HeH MGI:5428845
ht11
Oca2p-87H/Oca2p involves: 101/H * C3H/HeH MGI:5428848
ht12
Oca2p-55H/Oca2p involves: 101/H * C3H/HeH MGI:5301960
ht13
Oca2p-91H/Oca2p involves: 101/H * C3H/HeH MGI:5301986
ht14
Oca2p/Oca2p-80K involves: 101/Rl * C3H/Rl MGI:3849875
ht15
Oca2p/Oca2p-7R involves: 101/Rl * C3H/Rl MGI:3612259
ht16
Oca2p/Oca2p-8FDFoD involves: 101/Rl * C3H/Rl MGI:3849885
ht17
Oca2p/Oca2p-116G involves: 101/Rl * C3H/Rl MGI:3849992
ht18
Oca2p/Oca2p-103G involves: 101/Rl * C3H/Rl MGI:3612261
ht19
Oca2p-85H/Oca2p involves: C3H/HeH MGI:5301984
ht20
Oca2p-65H/Oca2p involves: C3H/HeH MGI:5301964
ht21
Oca2p-78H/Oca2p involves: C3H/HeH MGI:5301969
ht22
Oca2p-80H/Oca2p involves: C3H/HeH MGI:5301980
ht23
Oca2p-83H/Oca2p involves: C3H/HeH MGI:5301982
ht24
Oca2p-12DTR/Oca2p Not Specified MGI:3826442
cx25
a/a
Myo5ad/Myo5a+
Oca2p/Oca2+
Tyrp1B-lt/Tyrp1+
involves: C58 * CT/Ch MGI:3795191
cx26
Lystbg-slt/Lystbg-slt
Oca2p/Oca2p
involves: CT/Ch * YZ57/Ch MGI:2661158
cx27
Lystbg-slt/Lystbg-slt
Myo5ad/Myo5ad
Oca2p/Oca2p
Tyrp1b/Tyrp1b
involves: CT/Ch * YZ57/Ch MGI:2661267
cx28
Oca2p/Oca2p
Tyrc-i/Tyrc-i
involves: STOCK Tyrc-r MGI:2663251
cx29
a/a
Oca2p/Oca2p
Not Specified MGI:3844692


Genotype
MGI:3844121
hm1
Allelic
Composition
Oca2p/Oca2p
Genetic
Background
Not Specified
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Oca2p mutation (11 available); any Oca2 mutation (70 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
pigmentation

vision/eye




Genotype
MGI:5301962
ht2
Allelic
Composition
Oca2p-61H/Oca2p
Genetic
Background
involves: 101/H
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Oca2p mutation (11 available); any Oca2 mutation (70 available)
Oca2p-61H mutation (0 available); any Oca2 mutation (70 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
integument
• coat is slightly darker than in Oca2p homozygotes

pigmentation
• coat is slightly darker than in Oca2p homozygotes




Genotype
MGI:5301993
ht3
Allelic
Composition
Oca2p-96H/Oca2p
Genetic
Background
involves: 101/H
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Oca2p mutation (11 available); any Oca2 mutation (70 available)
Oca2p-96H mutation (0 available); any Oca2 mutation (70 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
craniofacial

digestive/alimentary system

growth/size/body




Genotype
MGI:5428850
ht4
Allelic
Composition
Oca2p-88H/Oca2p
Genetic
Background
involves: 101/H
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Oca2p mutation (11 available); any Oca2 mutation (70 available)
Oca2p-88H mutation (0 available); any Oca2 mutation (70 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
integument
• similar to homozygous Oca2p mice (J:2108)
• on this background reduced pigmentation in the coat results in a yellow coat color (J:78801)

pigmentation
• similar to homozygous Oca2p mice (J:2108)
• on this background reduced pigmentation in the coat results in a yellow coat color (J:78801)
• eye color has a pink tint, similar to the eyes of albino mice

vision/eye
• eye color has a pink tint, similar to the eyes of albino mice




Genotype
MGI:5301989
ht5
Allelic
Composition
Oca2p-93H/Oca2p
Genetic
Background
involves: 101/H
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Oca2p mutation (11 available); any Oca2 mutation (70 available)
Oca2p-93H mutation (0 available); any Oca2 mutation (70 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
integument

pigmentation




Genotype
MGI:5301987
ht6
Allelic
Composition
Oca2p-92H/Oca2p
Genetic
Background
involves: 101/H
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Oca2p mutation (11 available); any Oca2 mutation (70 available)
Oca2p-92H mutation (0 available); any Oca2 mutation (70 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
normal phenotype
• mice are viable




Genotype
MGI:5301966
ht7
Allelic
Composition
Oca2p-66H/Oca2p
Genetic
Background
involves: 101/H
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Oca2p mutation (11 available); any Oca2 mutation (70 available)
Oca2p-66H mutation (0 available); any Oca2 mutation (70 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
integument
• ruby eyes, light colored ears and tail, sandy brown tips to fur, dark under fur

pigmentation
• ruby eyes, light colored ears and tail, sandy brown tips to fur, dark under fur

limbs/digits/tail

vision/eye




Genotype
MGI:5301991
ht8
Allelic
Composition
Oca2p-95H/Oca2p
Genetic
Background
involves: 101/H * C3H/HeH
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Oca2p mutation (11 available); any Oca2 mutation (70 available)
Oca2p-95H mutation (0 available); any Oca2 mutation (70 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
integument

pigmentation




Genotype
MGI:5301997
ht9
Allelic
Composition
Oca2p-98H/Oca2p
Genetic
Background
involves: 101/H * C3H/HeH
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Oca2p mutation (11 available); any Oca2 mutation (70 available)
Oca2p-98H mutation (0 available); any Oca2 mutation (70 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
integument

pigmentation




Genotype
MGI:5428845
ht10
Allelic
Composition
Oca2p-86H/Oca2p
Genetic
Background
involves: 101/H * C3H/HeH
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Oca2p mutation (11 available); any Oca2 mutation (70 available)
Oca2p-86H mutation (0 available); any Oca2 mutation (70 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
integument
• color is similar to homozygous Oca2p mice (J:2108)
• on this background reduced pigmentation in the coat results in a yellow coat color (J:78801)

pigmentation
• color is similar to homozygous Oca2p mice (J:2108)
• on this background reduced pigmentation in the coat results in a yellow coat color (J:78801)
• eyes have a pink tint, resembling eyes of albino mice

vision/eye
• eyes have a pink tint, resembling eyes of albino mice




Genotype
MGI:5428848
ht11
Allelic
Composition
Oca2p-87H/Oca2p
Genetic
Background
involves: 101/H * C3H/HeH
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Oca2p mutation (11 available); any Oca2 mutation (70 available)
Oca2p-87H mutation (0 available); any Oca2 mutation (70 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
integument
• color is similar to homozygous Oca2p mice (J:2108)
• on this background reduced pigmentation in the coat results in a yellow coat color (J:78801)

pigmentation
• color is similar to homozygous Oca2p mice (J:2108)
• on this background reduced pigmentation in the coat results in a yellow coat color (J:78801)
• eye color has a pink tint, similar to the eyes of albino mice

vision/eye
• eye color has a pink tint, similar to the eyes of albino mice




Genotype
MGI:5301960
ht12
Allelic
Composition
Oca2p-55H/Oca2p
Genetic
Background
involves: 101/H * C3H/HeH
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Oca2p mutation (11 available); any Oca2 mutation (70 available)
Oca2p-55H mutation (0 available); any Oca2 mutation (70 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
integument

pigmentation




Genotype
MGI:5301986
ht13
Allelic
Composition
Oca2p-91H/Oca2p
Genetic
Background
involves: 101/H * C3H/HeH
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Oca2p mutation (11 available); any Oca2 mutation (70 available)
Oca2p-91H mutation (0 available); any Oca2 mutation (70 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
integument

pigmentation




Genotype
MGI:3849875
ht14
Allelic
Composition
Oca2p/Oca2p-80K
Genetic
Background
involves: 101/Rl * C3H/Rl
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Oca2p mutation (11 available); any Oca2 mutation (70 available)
Oca2p-80K mutation (0 available); any Oca2 mutation (70 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
pigmentation
• reduced eumelanin pigmentation in hair

vision/eye

integument
• reduced eumelanin pigmentation in hair




Genotype
MGI:3612259
ht15
Allelic
Composition
Oca2p/Oca2p-7R
Genetic
Background
involves: 101/Rl * C3H/Rl
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Oca2p mutation (11 available); any Oca2 mutation (70 available)
Oca2p-7R mutation (27 available); any Oca2 mutation (70 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
pigmentation
• reduced eumelanin in the hair
• pigmentation intermediate between Oca2p/Oca2p and wild-type
• eye pigment reduced

vision/eye
• eye pigment reduced

integument
• reduced eumelanin in the hair
• pigmentation intermediate between Oca2p/Oca2p and wild-type




Genotype
MGI:3849885
ht16
Allelic
Composition
Oca2p/Oca2p-8FDFoD
Genetic
Background
involves: 101/Rl * C3H/Rl
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Oca2p mutation (11 available); any Oca2 mutation (70 available)
Oca2p-8FDFoD mutation (1 available); any Oca2 mutation (70 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
pigmentation
• reduced eumelanin pigmentation in hair

vision/eye

integument
• reduced eumelanin pigmentation in hair




Genotype
MGI:3849992
ht17
Allelic
Composition
Oca2p/Oca2p-116G
Genetic
Background
involves: 101/Rl * C3H/Rl
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Oca2p mutation (11 available); any Oca2 mutation (70 available)
Oca2p-116G mutation (1 available); any Oca2 mutation (70 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
pigmentation
• reduced eumelanin pigmentation in hair

vision/eye

integument
• reduced eumelanin pigmentation in hair




Genotype
MGI:3612261
ht18
Allelic
Composition
Oca2p/Oca2p-103G
Genetic
Background
involves: 101/Rl * C3H/Rl
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Oca2p mutation (11 available); any Oca2 mutation (70 available)
Oca2p-103G mutation (1 available); any Oca2 mutation (70 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
pigmentation
• reduced eumelanin pigmentation in hair
• fur darker than Oca2p/Oca2p
• eye pigment reduced, but eyes virtually fully pigmented from birth on

vision/eye
• eye pigment reduced, but eyes virtually fully pigmented from birth on

integument
• reduced eumelanin pigmentation in hair
• fur darker than Oca2p/Oca2p




Genotype
MGI:5301984
ht19
Allelic
Composition
Oca2p-85H/Oca2p
Genetic
Background
involves: C3H/HeH
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Oca2p mutation (11 available); any Oca2 mutation (70 available)
Oca2p-85H mutation (0 available); any Oca2 mutation (70 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
integument
• mice resemble Oca2p homozygotes

pigmentation
• mice resemble Oca2p homozygotes




Genotype
MGI:5301964
ht20
Allelic
Composition
Oca2p-65H/Oca2p
Genetic
Background
involves: C3H/HeH
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Oca2p mutation (11 available); any Oca2 mutation (70 available)
Oca2p-65H mutation (0 available); any Oca2 mutation (70 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
pigmentation
• eye color is darker tha in Oca2p homozygotes

vision/eye
• eye color is darker tha in Oca2p homozygotes




Genotype
MGI:5301969
ht21
Allelic
Composition
Oca2p-78H/Oca2p
Genetic
Background
involves: C3H/HeH
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Oca2p mutation (11 available); any Oca2 mutation (70 available)
Oca2p-78H mutation (0 available); any Oca2 mutation (70 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
integument

pigmentation




Genotype
MGI:5301980
ht22
Allelic
Composition
Oca2p-80H/Oca2p
Genetic
Background
involves: C3H/HeH
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Oca2p mutation (11 available); any Oca2 mutation (70 available)
Oca2p-80H mutation (0 available); any Oca2 mutation (70 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
integument
• mice resemble Oca2p homozygotes

pigmentation
• mice resemble Oca2p homozygotes




Genotype
MGI:5301982
ht23
Allelic
Composition
Oca2p-83H/Oca2p
Genetic
Background
involves: C3H/HeH
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Oca2p mutation (11 available); any Oca2 mutation (70 available)
Oca2p-83H mutation (0 available); any Oca2 mutation (70 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
integument
• coat is slightly darker than in Oca2p homozygotes

pigmentation
• coat is slightly darker than in Oca2p homozygotes




Genotype
MGI:3826442
ht24
Allelic
Composition
Oca2p-12DTR/Oca2p
Genetic
Background
Not Specified
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Oca2p mutation (11 available); any Oca2 mutation (70 available)
Oca2p-12DTR mutation (1 available); any Oca2 mutation (70 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
pigmentation
• coat color (eumelanin pigment) is intermediate between the coat color of Oca2p/Oca2p and wild-type mice
• eyes of newborns are not fully pigmented and darken with age

vision/eye
• eyes of newborns are not fully pigmented and darken with age

integument
• coat color (eumelanin pigment) is intermediate between the coat color of Oca2p/Oca2p and wild-type mice




Genotype
MGI:3795191
cx25
Allelic
Composition
a/a
Myo5ad/Myo5a+
Oca2p/Oca2+
Tyrp1B-lt/Tyrp1+
Genetic
Background
involves: C58 * CT/Ch
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
a mutation (229 available); any a mutation (463 available)
Myo5ad mutation (105 available); any Myo5a mutation (265 available)
Oca2p mutation (11 available); any Oca2 mutation (70 available)
Tyrp1B-lt mutation (4 available); any Tyrp1 mutation (162 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
pigmentation
• dark sepia in color
• unlike mice wildtype for pink-eye the hairs are pigmented from tip to base and do not have large clumps of pigment, but may have small clumps of pigment

integument
• dark sepia in color
• unlike mice wildtype for pink-eye the hairs are pigmented from tip to base and do not have large clumps of pigment, but may have small clumps of pigment




Genotype
MGI:2661158
cx26
Allelic
Composition
Lystbg-slt/Lystbg-slt
Oca2p/Oca2p
Genetic
Background
involves: CT/Ch * YZ57/Ch
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Lystbg-slt mutation (0 available); any Lyst mutation (225 available)
Oca2p mutation (11 available); any Oca2 mutation (70 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
pigmentation
• coat was slightly lighter than those of mice homozygous for p alone
• cortical pigment was absent
• the few medullary septae that lacked pigment were in the distal hair shaf
• granules resembled those of mice homozygous for p alone except a few were larger
• eye color was pink

vision/eye
• eye color was pink

integument
• coat was slightly lighter than those of mice homozygous for p alone
• cortical pigment was absent
• the few medullary septae that lacked pigment were in the distal hair shaf
• granules resembled those of mice homozygous for p alone except a few were larger




Genotype
MGI:2661267
cx27
Allelic
Composition
Lystbg-slt/Lystbg-slt
Myo5ad/Myo5ad
Oca2p/Oca2p
Tyrp1b/Tyrp1b
Genetic
Background
involves: CT/Ch * YZ57/Ch
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Lystbg-slt mutation (0 available); any Lyst mutation (225 available)
Myo5ad mutation (105 available); any Myo5a mutation (265 available)
Oca2p mutation (11 available); any Oca2 mutation (70 available)
Tyrp1b mutation (29 available); any Tyrp1 mutation (162 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
pigmentation

integument
• random thinning of the coat appeared during the third week of age
• coat thinning at three weeks of age was followed by a short lag in the second hair growth cycle




Genotype
MGI:2663251
cx28
Allelic
Composition
Oca2p/Oca2p
Tyrc-i/Tyrc-i
Genetic
Background
involves: STOCK Tyrc-r
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Oca2p mutation (11 available); any Oca2 mutation (70 available)
Tyrc-i mutation (0 available); any Tyr mutation (379 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
pigmentation
• buff colored coat

integument
• buff colored coat




Genotype
MGI:3844692
cx29
Allelic
Composition
a/a
Oca2p/Oca2p
Genetic
Background
Not Specified
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
a mutation (229 available); any a mutation (463 available)
Oca2p mutation (11 available); any Oca2 mutation (70 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
limbs/digits/tail
• the tail has much less pigment than normal mice

pigmentation
• the ears appear much lighter than ears of normal mice (J:78801)
• black and brown pigmentation in hair is significantly reduced
• pigment granules are not diluted but no longer evenly distributed, found as flecks and large loose clumps
• the color quality of the pigment is not altered but there are fewer cortical granules and an increase in pigmentation lag
• pigment occurs in loose clumps
• the tail has much less pigment than normal mice
• eyes are similar in color to eyes of albino mice

vision/eye
• eyes are similar in color to eyes of albino mice

craniofacial
• the ears appear much lighter than ears of normal mice (J:78801)

hearing/vestibular/ear
• the ears appear much lighter than ears of normal mice (J:78801)

integument
• the ears appear much lighter than ears of normal mice (J:78801)
• black and brown pigmentation in hair is significantly reduced
• pigment granules are not diluted but no longer evenly distributed, found as flecks and large loose clumps
• the color quality of the pigment is not altered but there are fewer cortical granules and an increase in pigmentation lag
• pigment occurs in loose clumps
• the tail has much less pigment than normal mice

growth/size/body
• the ears appear much lighter than ears of normal mice (J:78801)





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last database update
12/10/2024
MGI 6.24
The Jackson Laboratory