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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Tfap2b+
wild type
MGI:2435284
Summary 5 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
ht1
Tfap2bem1Sleep/Tfap2b+ C57BL/6J-Tfap2bem1Sleep MGI:7627365
ht2
Tfap2bem2Sleep/Tfap2b+ C57BL/6J-Tfap2bem2Sleep MGI:7627368
ht3
Tfap2btm1b(EUCOMM)Wtsi/Tfap2b+ C57BL/6N-Tfap2btm1b(EUCOMM)Wtsi/Ieg MGI:6263672
ht4
Tfap2btm1Rbu/Tfap2b+ involves: 129S1/Sv * 129X1/SvJ MGI:5292664
ht5
Tfap2btm1b(EUCOMM)Wtsi/Tfap2b+ involves: C57BL/6N * DBA/2 MGI:7627369


Genotype
MGI:7627365
ht1
Allelic
Composition
Tfap2bem1Sleep/Tfap2b+
Genetic
Background
C57BL/6J-Tfap2bem1Sleep
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Tfap2bem1Sleep mutation (0 available); any Tfap2b mutation (32 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
behavior/neurological
• increased time spent in wakefulness during dark phase
• reduced total time spent in NREM sleep
• reduced number of NREM sleep episodes




Genotype
MGI:7627368
ht2
Allelic
Composition
Tfap2bem2Sleep/Tfap2b+
Genetic
Background
C57BL/6J-Tfap2bem2Sleep
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Tfap2bem2Sleep mutation (0 available); any Tfap2b mutation (32 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
behavior/neurological
N
• normal total time spent in wakefulness, NREM sleep or REM sleep
• normal number of wakefulness, NREM or REM sleep episodes
• increased number of wakefulness, NREM sleep or REM sleep episodes in light phase
• normal total time spent in wakefulness, NREM sleep or REM sleep
• increased number of NREM sleep episodes in light phase
• decreased length of NREM sleep episodes
• increased number of REM sleep episodes during light phase




Genotype
MGI:6263672
ht3
Allelic
Composition
Tfap2btm1b(EUCOMM)Wtsi/Tfap2b+
Genetic
Background
C57BL/6N-Tfap2btm1b(EUCOMM)Wtsi/Ieg
Cell Lines EPD0764_4_A09
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Tfap2btm1b(EUCOMM)Wtsi mutation (1 available); any Tfap2b mutation (32 available)
Data Sources
phenotype observed in females
phenotype observed in males
N normal phenotype
behavior/neurological

nervous system

vision/eye
IMPC - HMGU




Genotype
MGI:5292664
ht4
Allelic
Composition
Tfap2btm1Rbu/Tfap2b+
Genetic
Background
involves: 129S1/Sv * 129X1/SvJ
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Tfap2btm1Rbu mutation (0 available); any Tfap2b mutation (32 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cardiovascular system
• in 1 of 8 mice at 2 h post birth

limbs/digits/tail
• an additional finger-like structure (with a single phalange and no nail) grows out laterally from the 5th finger on the forelimbs of 18.2% of mice

cellular
• in 1 of 8 mice at 2 h post birth




Genotype
MGI:7627369
ht5
Allelic
Composition
Tfap2btm1b(EUCOMM)Wtsi/Tfap2b+
Genetic
Background
involves: C57BL/6N * DBA/2
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Tfap2btm1b(EUCOMM)Wtsi mutation (1 available); any Tfap2b mutation (32 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
behavior/neurological
N
• normal total time spent in wakefulness, NREM sleep or REM sleep
• normal number of wakefulness and NREM sleep episodes
• increased wakefulness in dark phase
• normal total time spent in REM sleep across light and dark phases
• normal NREM sleep during dark phase
• reduced NREM sleep during light phase





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last database update
01/06/2026
MGI 6.24
The Jackson Laboratory