| Primary Identifier | MGI:6870536 | Allele Type | Targeted |
| Attribute String | Modified regulatory region | Gene | Rr45 |
| Transmission | Germline | Strain of Origin | (C57BL/6NCrlj x CBA/JNCrlj)F1 |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A neomycin resistance gene cassette replaced 1 kb including the MFCS4 (mammals-fish conserved sequence 4) enhancer of Shh located within intron 8 of Rnf32. This allele was created in ES cells that already carry the Rr114tm1.1Tshir allele (deletion of enhancer MRCS1). |