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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID 		Mitftm4Arnh
targeted mutation 4, Heinz Arnheiter
MGI:5050700
Summary 4 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
 		Mitftm4Arnh/Mitftm4Arnh involves: 129S6/SvEvTac * C57BL/6N MGI:5316587
ht2
 		Mitftm4Arnh/MitfMi-wh involves: 129S6/SvEvTac * C57BL * C57BL/6N * DBA MGI:5316596
ht3
 		Mitftm4Arnh/Mitfmi-vga9 involves: 129S6/SvEvTac * C57BL/6 * C57BL/6N * CBA MGI:5316593
ht4
 		Mitftm4Arnh/MitfMi involves: 129S6/SvEvTac * C57BL/6N MGI:5316602


Genotype
MGI:5316587
hm1
Allelic
Composition		 Mitftm4Arnh/Mitftm4Arnh
Genetic
Background		 involves: 129S6/SvEvTac * C57BL/6N
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Mitftm4Arnh mutation (0 available); any Mitf mutation (74 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
vision/eye
vision/eye phenotype ( J:182722 )
N
• normal eyes

pigmentation
belly spot ( J:182722 )
• pigment normal except for large belly spots

integument
belly spot ( J:182722 )
• pigment normal except for large belly spots




Genotype
MGI:5316596
ht2
Allelic
Composition		 Mitftm4Arnh/MitfMi-wh
Genetic
Background		 involves: 129S6/SvEvTac * C57BL * C57BL/6N * DBA
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
MitfMi-wh mutation (8 available); any Mitf mutation (74 available)
Mitftm4Arnh mutation (0 available); any Mitf mutation (74 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
pigmentation
diluted coat color ( J:182722 )
• fawn coat color

integument
diluted coat color ( J:182722 )
• fawn coat color




Genotype
MGI:5316593
ht3
Allelic
Composition		 Mitftm4Arnh/Mitfmi-vga9
Genetic
Background		 involves: 129S6/SvEvTac * C57BL/6 * C57BL/6N * CBA
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Mitfmi-vga9 mutation (1 available); any Mitf mutation (74 available)
Mitftm4Arnh mutation (0 available); any Mitf mutation (74 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
pigmentation
absent coat pigmentation ( J:182722 )
• mice are almost completely white

integument
absent coat pigmentation ( J:182722 )
• mice are almost completely white




Genotype
MGI:5316602
ht4
Allelic
Composition		 Mitftm4Arnh/MitfMi
Genetic
Background		 involves: 129S6/SvEvTac * C57BL/6N
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
MitfMi mutation (3 available); any Mitf mutation (74 available)
Mitftm4Arnh mutation (0 available); any Mitf mutation (74 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
pigmentation
absent coat pigmentation ( J:182722 )
• white with occasional small black spots

integument
absent coat pigmentation ( J:182722 )
• white with occasional small black spots




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Mouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Models of Human Cancer database (MMHCdb) (formerly Mouse Tumor Biology (MTB)), Gene Ontology (GO)
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Send questions and comments to User Support. 		last database update
09/30/2025
MGI 6.24 		The Jackson Laboratory