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Phenotypes Associated with This Genotype
Genotype
MGI:3663943
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
embryonic growth retardation ( J:98485 )
• some double heterozygotes show varying degrees of growth retardation
microcephaly ( J:98485 )
• some double heterozygotes display varying degrees of microcephaly

embryo
embryonic growth retardation ( J:98485 )
• some double heterozygotes show varying degrees of growth retardation

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
01/13/2026
MGI 6.24 		The Jackson Laboratory