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Phenotypes Associated with This Genotype
Genotype
MGI:3760853
Allelic
Composition		 Cd79atm5.1Cgn/Cd79a+
Ightm1.2Rsky/Igh+
Genetic
Background		 involves: 129 * BALB/c * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cd79atm5.1Cgn mutation (0 available); any Cd79a mutation (29 available)
Ightm1.2Rsky mutation (0 available); any Igh mutation (47 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
hematopoietic system
abnormal class switch recombination ( J:125719 )
• slight increase in the percentage of B cells expressing IgG1

immune system
abnormal class switch recombination ( J:125719 )
• slight increase in the percentage of B cells expressing IgG1

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
12/30/2025
MGI 6.24 		The Jackson Laboratory