| Primary Identifier | MGI:3047076 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Myb |
| Transmission | Germline | Strain of Origin | 129P2/OlaHsd |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Crossing of Mybtm1Cgn with mice expressing Cre under the control of an hCMV promoter excised floxed exon 2, leaving a single loxP site. Southern blot confirmed recombination and Western blot of fetal livers showed lack of protein in mutants. |