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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID 		Tcf3tm1.1Mbu
targeted mutation 1.1, Meinrad Busslinger
MGI:3803638
Summary 1 genotype
Jump to Allelic Composition Genetic Background Genotype ID
ht1
 		Tcf3tm1.1Mbu/Tcf3+ involves: 129P2/OlaHsd * C57BL/6 MGI:3804185


Genotype
MGI:3804185
ht1
Allelic
Composition		 Tcf3tm1.1Mbu/Tcf3+
Genetic
Background		 involves: 129P2/OlaHsd * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Tcf3tm1.1Mbu mutation (0 available); any Tcf3 mutation (48 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
hematopoietic system
abnormal B cell differentiation ( J:137719 )
• mice exhibit a mild defect in adult B cell lymphopoiesis

immune system
abnormal B cell differentiation ( J:137719 )
• mice exhibit a mild defect in adult B cell lymphopoiesis




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