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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID 		Igktm2Ybgn
targeted mutation 2, Yehudit Bergman
MGI:3720251
Summary 1 genotype
Jump to Allelic Composition Genetic Background Genotype ID
hm1
 		Igktm2Ybgn/Igktm2Ybgn Not Specified MGI:3721518


Genotype
MGI:3721518
hm1
Allelic
Composition		 Igktm2Ybgn/Igktm2Ybgn
Genetic
Background		 Not Specified
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Igktm2Ybgn mutation (0 available); any Igk mutation (31 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
hematopoietic system
increased immature B cell number ( J:123344 )
• mice have 25% more immature B cells in the spleen
decreased pre-B cell number ( J:123344 )
• mice have a smaller pre-B cell fraction in the bone marrow

immune system
increased immature B cell number ( J:123344 )
• mice have 25% more immature B cells in the spleen
decreased pre-B cell number ( J:123344 )
• mice have a smaller pre-B cell fraction in the bone marrow




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
09/30/2025
MGI 6.24 		The Jackson Laboratory