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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID 		Efnb2tm5Kln
targeted mutation 5, Rudiger Klein
MGI:3573785
Summary 1 genotype
Jump to Allelic Composition Genetic Background Genotype ID
hm1
 		Efnb2tm5Kln/Efnb2tm5Kln involves: C57BL/6 MGI:3574336


Genotype
MGI:3574336
hm1
Allelic
Composition		 Efnb2tm5Kln/Efnb2tm5Kln
Genetic
Background		 involves: C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Efnb2tm5Kln mutation (0 available); any Efnb2 mutation (27 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
mortality/aging
postnatal lethality, complete penetrance ( J:95885 )
• homozygous mutants die by P6

homeostasis/metabolism
chylothorax ( J:95885 )
• homozygous mutants developed a massive chylothorax with milky effusion

respiratory system
chylothorax ( J:95885 )
• homozygous mutants developed a massive chylothorax with milky effusion




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
09/30/2025
MGI 6.24 		The Jackson Laboratory