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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID 		Spr+
wild type
MGI:2433038
Summary 1 genotype
Jump to Allelic Composition Genetic Background Genotype ID
ht1
 		Sprem1(IMPC)H/Spr+ C57BL/6N-Sprem1(IMPC)H/H MGI:6772037


Genotype
MGI:6772037
ht1
Allelic
Composition		 Sprem1(IMPC)H/Spr+
Genetic
Background		 C57BL/6N-Sprem1(IMPC)H/H
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Sprem1(IMPC)H mutation (1 available); any Spr mutation (7 available)
Data Sources
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
behavior/neurological

hematopoietic system

immune system




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
01/28/2026
MGI 6.24 		The Jackson Laboratory