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Phenotypes Associated with This Genotype
Genotype
MGI:5292476
Allelic
Composition		 Gja5tm1Lumi/Gja5+
Irx3tm1Hui/Irx3tm1Hui
Genetic
Background		 involves: 129S1/Sv * 129X1/SvJ * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Gja5tm1Lumi mutation (0 available); any Gja5 mutation (19 available)
Irx3tm1Hui mutation (0 available); any Irx3 mutation (29 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
cardiovascular system
abnormal impulse conducting system conduction ( J:175992 )
• significantly diminished conduction velocity through the conduction fibers

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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Funding Information
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Send questions and comments to User Support. 		last database update
01/20/2026
MGI 6.24 		The Jackson Laboratory