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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Ldb1+
wild type
MGI:2434584
Summary 2 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
ht1
Ldb1tm1Lmgd/Ldb1+ involves: C3H/He * C57BL/6 MGI:3663944
cx2
Ldb1tm1Lmgd/Ldb1+
Ssbp3Tg(SOD1)1Hssk/Ssbp3+
involves: C3H/He * C57BL/6 MGI:3663943


Genotype
MGI:3663944
ht1
Allelic
Composition
Ldb1tm1Lmgd/Ldb1+
Genetic
Background
involves: C3H/He * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Ldb1tm1Lmgd mutation (0 available); any Ldb1 mutation (35 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
normal phenotype
• some single heterozygotes from intercrosses with Ssbp3Tg(SOD1)1Hssk/+ mice display mild growth retardation and mild microcephaly at E9.0-9.5




Genotype
MGI:3663943
cx2
Allelic
Composition
Ldb1tm1Lmgd/Ldb1+
Ssbp3Tg(SOD1)1Hssk/Ssbp3+
Genetic
Background
involves: C3H/He * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Ldb1tm1Lmgd mutation (0 available); any Ldb1 mutation (35 available)
Ssbp3Tg(SOD1)1Hssk mutation (0 available); any Ssbp3 mutation (39 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
growth/size/body
• some double heterozygotes show varying degrees of growth retardation
• some double heterozygotes display varying degrees of microcephaly

embryo
• some double heterozygotes show varying degrees of growth retardation





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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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last database update
01/06/2026
MGI 6.24
The Jackson Laboratory