| Primary Identifier | MGI:1857898 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Cftr |
| Transmission | Germline | Strain of Origin | 129S7/SvEvBrd-Hprt1<b-m2> |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Sequences in exon 2 were mutated (c.134_138CAGCT>AACGTC) to create an in-frame stop codon (p.S45*) and frameshift. A neomycin resistance gene cassette was inserted in reverse transcriptional orientation into intron 1 of the gene. |