About   Help   FAQ
Phenotypes Associated with This Genotype
Genotype
MGI:5617031
hm1
Allelic
Composition
Sptbn4qv/Sptbn4qv
Genetic
Background
either: (involves: BALB/c) or (involves: C57BL/10)
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Sptbn4qv mutation (0 available); any Sptbn4 mutation (122 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
behavior/neurological
• quivering becomes pronounced as mice age
• evident as early as 14 days of age
• from 30 days of age mice show hindlimb and tail stiffening in varying degrees
• observed from 30 days of age

reproductive system
• occurs in the majority of males several days before death
• males have viable sperm but do not sire litters
• posterior paralysis precludes normal copulation behavior

hearing/vestibular/ear

immune system
• mice may develop eye infections

vision/eye
• mice may develop eye infections

mortality/aging
• the majority of mice die before 5 months of age


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
03/18/2025
MGI 6.24
The Jackson Laboratory