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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID 		Spmip2em1Osb
endonuclease-mediated mutation 1, Research Institute for Microbial Diseases, Osaka University
MGI:8393928
Summary 1 genotype
Jump to Allelic Composition Genetic Background Genotype ID
hm1
 		Spmip2em1Osb/Spmip2em1Osb B6;D2-Spmip2em1Osb/Osb MGI:8393934


Genotype
MGI:8393934
hm1
Allelic
Composition		 Spmip2em1Osb/Spmip2em1Osb
Genetic
Background		 B6;D2-Spmip2em1Osb/Osb
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Spmip2em1Osb mutation (0 available); any Spmip2 mutation (13 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
reproductive system
reproductive system phenotype ( J:385300 )
• both sexes exhibit normal fecundity; males are reported to sire pups with normal average litter sizes when paired with wild-type females, but no detailed phenotypic analysis of the male reproductive system was conducted




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
07/14/2026
MGI 6.24 		The Jackson Laboratory