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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID 		Nps+
wild type
MGI:3657128
Summary 1 genotype
Jump to Allelic Composition Genetic Background Genotype ID
ht1
 		Npstm1.1Rkr/Nps+ involves: 129P2/OlaHsd * C57BL/6J MGI:7547106


Genotype
MGI:7547106
ht1
Allelic
Composition		 Npstm1.1Rkr/Nps+
Genetic
Background		 involves: 129P2/OlaHsd * C57BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Npstm1.1Rkr mutation (0 available); any Nps mutation (17 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
behavior/neurological
decreased exploration in new environment ( J:342064 )
• non-habituated males show attenuated exploration in an open field
• reduced exploratory activity (reduced nose pokes, time spent inspecting holes, and number of holes repeatedly poked) in the 16-hole board test




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