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Krastm5.1Cmco
Targeted Allele Detail
Summary
Symbol: Krastm5.1Cmco
Name: Kirsten rat sarcoma viral oncogene homolog; targeted mutation 5.1, Christopher M Counter
MGI ID: MGI:7432938
Synonyms: KrasLSL-comG12D
Gene: Kras  Location: Chr6:145162425-145195965 bp, - strand  Genetic Position: Chr6, 77.37 cM, cytoband G2
Alliance: Krastm5.1Cmco page
Mutation
origin
Germline Transmission:  Earliest citation of germline transmission: J:328899
Parent Cell Line:  G4 (ES Cell)
Strain of Origin:  (129S6/SvEvTac x C57BL/6NCrl)F1
Mutation
description
Allele Type:    Targeted (Conditional ready)
Mutations:    Insertion, Single point mutation
 
Mutation detailsExons 2-4 were replaced by a cassette consisting of a transcriptional repressor sequence (STOP) flanked by loxP sites, cDNA sequence for the first three coding exons (2-4) with 93 rare codons converted to the most commonly used codons in the mouse genome and including the p.G12D oncogenic mutation, followed by the 5' 564 bp of intron 4, and an FRT site flanked neomycin resistance gene cassette. The neo cassette was removed via Flp-mediated recombination. Removal of the stop cassette is required to get expression of the mutant Kras. (J:328899)
Tumor Data
List all tumor models in MMHCdb carrying Krastm5.1Cmco
Find Mice (IMSR)
Mouse strains and cell lines available from the International Mouse Strain Resource (IMSR)
Carrying this Mutation:  Mouse Strains: 1 strain available      Cell Lines: 0 lines available
Carrying any Kras Mutation:  90 strains or lines available
References
Original:  J:328899 Le Roux O, et al., Genetically manipulating endogenous Kras levels and oncogenic mutations in vivo influences tissue patterning of murine tumorigenesis. Elife. 2022 Sep 7;11:e75715
All:  2 reference(s)

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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last database update
03/25/2025
MGI 6.24
The Jackson Laboratory