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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID 		Npr2+
wild type
MGI:2431638
Summary 2 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
ht1
 		Npr2em1(IMPC)H/Npr2+ C57BL/6N-Npr2em1(IMPC)H/H MGI:6461483
ht2
 		Npr2tm1Gar/Npr2+ involves: 129S6/SvEvTac * C57BL/6 MGI:3525104


Genotype
MGI:6461483
ht1
Allelic
Composition		 Npr2em1(IMPC)H/Npr2+
Genetic
Background		 C57BL/6N-Npr2em1(IMPC)H/H
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Npr2em1(IMPC)H mutation (2 available); any Npr2 mutation (63 available)
Data Sources
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
behavior/neurological

craniofacial

growth/size/body
abnormal snout morphology ( J:211773 )
IMPC - HAR

limbs/digits/tail




Genotype
MGI:3525104
ht2
Allelic
Composition		 Npr2tm1Gar/Npr2+
Genetic
Background		 involves: 129S6/SvEvTac * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Npr2tm1Gar mutation (1 available); any Npr2 mutation (63 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
growth/size/body
decreased body length ( J:94718 )
• female and male heterozygotes significantly are shorter in nasoanal length compared to wild-type mice, however body weights for heterozygous females are not significantly different from wild-type
• heterozygous males are significantly shorter in nasoanal length and weigh less compared to wild-type mice




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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
01/28/2026
MGI 6.24 		The Jackson Laboratory