| Primary Identifier | MGI:5694675 | Allele Type | Targeted |
| Attribute String | Recombinase | Gene | Npw |
| Transmission | Germline | Strain of Origin | C57BL/6N |
| Is Recombinase | true | Is Wild Type | false |
| molecularNote | An improved cre recombinase gene and FRT-flanked neomycin resistance cassette were inserted at the translation initiation sequence in exon 1. Flp-mediated recombination removed the selection cassette. |