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Krasem1Bbd
Endonuclease-mediated Allele Detail
Summary
Symbol: Krasem1Bbd
Name: Kras proto-oncogene, GTPase; endonuclease-mediated mutation 1, Mariano Barbacid
MGI ID: MGI:6739818
Synonyms: KRAS4B154
Gene: Kras  Location: Chr6:145162425-145195965 bp, - strand  Genetic Position: Chr6, 77.37 cM, cytoband G2
Alliance: Krasem1Bbd page
Mutation
origin
Strain of Origin:  mixed
Mutation
description
Allele Type:    Endonuclease-mediated (Modified isoform(s))
Mutation:    Nucleotide substitutions
 
Mutation detailsAlanine codon 155 (GCC) in exon 5 was changed to a stop codon (TGA) (p.A155*) using an sgRNA (targeting GGAAGATATGTAATCAGGCTCTT) and an ssODN template with CRISPR/Cas9 technology. (J:308301)
Find Mice (IMSR)
Mouse strains and cell lines available from the International Mouse Strain Resource (IMSR)
Carrying this Mutation:  Mouse Strains: 0 strains available      Cell Lines: 0 lines available
Carrying any Kras Mutation:  69 strains or lines available
Notes
The guide RNAs were injected into zygotes from a cross of (C57BL/6 x CBA)F1 females with Krastm3Bbd/Kras+;Trp53tm1.1Dgk/Trp53tm1.1Dgk males on a mixed 129/Sv-C57BL/6 genetic background.
References
Original:  J:308301 Salmon M, et al., KRAS4A induces metastatic lung adenocarcinomas in vivo in the absence of the KRAS4B isoform. Proc Natl Acad Sci U S A. 2021 Jul 27;118(30):e2023112118
All:  1 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
01/06/2026
MGI 6.24
The Jackson Laboratory