About   Help   FAQ
Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Fbxl21tm1Kei
targeted mutation 1, Keiichi I Nakayama
MGI:5503967
Summary 2 genotypes


Genotype
MGI:5503969
hm1
Allelic
Composition
Fbxl21tm1Kei/Fbxl21tm1Kei
Genetic
Background
B6.129P2-Fbxl21tm1Kei
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Fbxl21tm1Kei mutation (1 available); any Fbxl21 mutation (26 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
behavior/neurological
• mice fail to exhibit two peak of activity bouts unlike wild-type mice
• however, mice exhibit normal activity in constant darkness and onset of activity in 12L:12D cycle




Genotype
MGI:5503970
cx2
Allelic
Composition
Fbxl21tm1Kei/Fbxl21tm1Kei
Fbxl3tm1Kei/Fbxl3tm1Kei
Genetic
Background
B6.129P2-Fbxl21tm1Kei Fbxl3tm1Kei
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Fbxl21tm1Kei mutation (1 available); any Fbxl21 mutation (26 available)
Fbxl3tm1Kei mutation (1 available); any Fbxl3 mutation (43 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
behavior/neurological
• unstable behavior rhythm in constant darkness





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)
Citing These Resources
Funding Information
Warranty Disclaimer, Privacy Notice, Licensing, & Copyright
Send questions and comments to User Support.
last database update
06/12/2024
MGI 6.13
The Jackson Laboratory