| Primary Identifier | MGI:4357830 | Allele Type | Targeted |
| Attribute String | Conditional ready, No functional change | Gene | Cyp51 |
| Transmission | Germline | Strain of Origin | 129P2/OlaHsd-Hprt1<b-m3> |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Homology arms were isolated from BAC clone 519E21 (Research Genetics). An frt flanked PGKneo cassette was inserted in intron 3 and loxP sites were inserted in introns 2 and 4. The neo selection cassette was removed from correctly targeted ES cells by Flp mediated recombinase. |