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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID 		Nmt1Gt(XE400)Byg
gene trap XE400, BayGenomics
MGI:3586313
Summary 2 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
 		Nmt1Gt(XE400)Byg/Nmt1Gt(XE400)Byg involves: 129P2/OlaHsd * C57BL/6 MGI:3586564
ht2
 		Nmt1Gt(XE400)Byg/Nmt1+ involves: 129P2/OlaHsd * C57BL/6 MGI:3586565


Genotype
MGI:3586564
hm1
Allelic
Composition		 Nmt1Gt(XE400)Byg/Nmt1Gt(XE400)Byg
Genetic
Background		 involves: 129P2/OlaHsd * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Nmt1Gt(XE400)Byg mutation (0 available); any Nmt1 mutation (55 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
mortality/aging
embryonic lethality between implantation and somite formation, complete penetrance ( J:99794 )
• blastocysts are found at E3.5 but no embryos are found at E7.5




Genotype
MGI:3586565
ht2
Allelic
Composition		 Nmt1Gt(XE400)Byg/Nmt1+
Genetic
Background		 involves: 129P2/OlaHsd * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Nmt1Gt(XE400)Byg mutation (0 available); any Nmt1 mutation (55 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
mortality/aging
prenatal lethality, incomplete penetrance ( J:99794 )
• fewer than expected heterozygotes are born; however, most survive and are viable with no gross abnormalities




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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
09/30/2025
MGI 6.24 		The Jackson Laboratory