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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID 		Grm7tm1Dgen
targeted mutation 1, Deltagen
MGI:3604484
Summary 1 genotype
Jump to Allelic Composition Genetic Background Genotype ID
hm1
 		Grm7tm1Dgen/Grm7tm1Dgen involves: 129P2/OlaHsd * C57BL/6 MGI:3606502


Genotype
MGI:3606502
hm1
Allelic
Composition		 Grm7tm1Dgen/Grm7tm1Dgen
Genetic
Background		 involves: 129P2/OlaHsd * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Grm7tm1Dgen mutation (1 available); any Grm7 mutation (127 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
behavior/neurological
increased susceptibility to pharmacologically induced seizures ( J:101679 )
• homozygotes require a lower dose of metrazol to induce tonic extension and death
impaired coordination ( J:101679 )
• performance in the rotarod test is impaired

nervous system
increased susceptibility to pharmacologically induced seizures ( J:101679 )
• homozygotes require a lower dose of metrazol to induce tonic extension and death




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
01/06/2026
MGI 6.24 		The Jackson Laboratory