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Phenotypes Associated with This Genotype
Genotype
MGI:3852104
Allelic
Composition		 Per2tm1Drw/Per2tm1Drw
Tg(PER2*S662G)867Ljp/0
Genetic
Background		 involves: C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Per2tm1Drw mutation (2 available); any Per2 mutation (72 available)
Tg(PER2*S662G)867Ljp mutation (1 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
behavior/neurological
shortened circadian behavior period ( J:126404 )
• circadian period is shortened 3.3 hours compared to in wild-type mice
• however, mice under LD10.5:10.5 conditions exhibit normal on-off activity patterns

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
03/18/2025
MGI 6.24 		The Jackson Laboratory