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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID 		skp
skimpy
MGI:4365786
Summary 1 genotype
Jump to Allelic Composition Genetic Background Genotype ID
hm1
 		skp/skp CXB5/ByJ-skp/GrsrJ MGI:4365787


Genotype
MGI:4365787
hm1
Allelic
Composition		 skp/skp
Genetic
Background		 CXB5/ByJ-skp/GrsrJ
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
skp mutation (1 available); any skp mutation (1 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype

skp/skp mice (left) are small, walk on their toes and have impaired balance

mortality/aging
postnatal lethality, incomplete penetrance ( J:153578 )
• usually die by 4 weeks of age

behavior/neurological
abnormal gait ( J:153578 )
• mutants walk on their toes

reproductive system

growth/size/body
decreased body size ( J:153578 )

hematopoietic system

immune system

nervous system
abnormal myelin sheath morphology ( J:153578 )
• underdeveloped myelin

endocrine/exocrine glands




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