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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID 		Col17a1em9Dcr
endonuclease-mediated mutation 9, Derry Roopenian
MGI:5527463
Summary 2 genotypes


Genotype
MGI:7709324
hm1
Allelic
Composition		 Col17a1em9Dcr/Col17a1em9Dcr
Genetic
Background		 C57BL/6J-Col17a1em9Dcr/Dcr
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Col17a1em9Dcr mutation (0 available); any Col17a1 mutation (54 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
integument
abnormal skin tensile strength ( J:352187 )
• slightly improved average skin tensile strength relative to C57BL/6J




Genotype
MGI:7709371
cx2
Allelic
Composition		 Col17a1em9Dcr/Col17a1em9Dcr
Lamc2jeb/Lamc2jeb
Genetic
Background		 B6.Cg-Lamc2jeb Col17a1em9Dcr/Dcr
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Col17a1em9Dcr mutation (0 available); any Col17a1 mutation (54 available)
Lamc2jeb mutation (4 available); any Lamc2 mutation (70 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
integument
abnormal skin tensile strength ( J:352187 )
• This small in-frame deletion from the non-collagenous domain 4 of Col17a1 improves the skin tensile strength in junctional epidermolysis bullosa homozygotes compared to the C57BL/6J wild type allele




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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