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Phenotypes Associated with This Genotype
Genotype
MGI:3811821
Allelic
Composition		 Cdkn1btm1Mlf/Cdkn1btm1Mlf
Myctm1Atp/Myc+
Genetic
Background		 involves: 129P2/OlaHsd * 129S4/SvJaeSor * FVB/N
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cdkn1btm1Mlf mutation (2 available); any Cdkn1b mutation (26 available)
Myctm1Atp mutation (0 available); any Myc mutation (42 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
immune system
decreased T cell proliferation ( J:73369 )
• as in Myctm1Atp heterozygotes

growth/size/body
decreased body size ( J:73369 )
• as in Myctm1Atp heterozygotes

hematopoietic system
decreased T cell proliferation ( J:73369 )
• as in Myctm1Atp heterozygotes

cellular
decreased T cell proliferation ( J:73369 )
• as in Myctm1Atp heterozygotes

Contributing Projects:
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
01/06/2026
MGI 6.24 		The Jackson Laboratory