| Primary Identifier | MGI:7545267 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Muc5b |
| Transmission | Germline | Strain of Origin | C57BL/6N-A<tm1Brd> |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | An FRT-flanked PGK-neo cassette and a loxP site were inserted upstream of exon 2 and a second loxP site was inserted downstream of exon 5. The neomycin cassette was removed via flp-mediated recombination. Exons 2-5 were deleted via cre-mediated recombination. |