| Primary Identifier | MGI:5439010 | Allele Type | Targeted |
| Attribute String | Recombinase | Gene | Defb41 |
| Transmission | Germline | Strain of Origin | 129S7/SvEvBrd-Hprt1<b-m2> |
| Is Recombinase | true | Is Wild Type | false |
| molecularNote | cDNA encoding icr (improved cre) was inserted into the translation initiation site of the defensin beta 41 (Defb41) gene. icre is expressed in the proximal epididymis epithelium (in the initial segment, IS, and caput, CAP, of the epididymis). Full characterization of knockin mice will be published later. |