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Mammalian Phenotype Ontology Annotations
Query Results - Summary
Symbol
Name
ID
Drd4
dopamine receptor D4
MGI:94926
2 phenotypes from multigenic genotypes
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Allelic Composition
Genetic Background
Annotated Term Reference
Drd4tm1Dkg/Drd4tm1Dkg
involves: 129P2/OlaHsd * C57BL/6J
normal behavior/neurological phenotype J:55027
decreased exploration in new environment J:76023
decreased locomotor activity J:43061
decreased vertical activity J:43061
enhanced behavioral response to cocaine J:43061
enhanced coordination J:43061
hyperactivity elicited by ethanol administration J:43061
impaired behavioral response to addictive substance J:43061
increased dopamine level J:43061
normal nervous system phenotype J:55027

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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last database update
09/15/2026
MGI 6.29
The Jackson Laboratory