| Primary Identifier | MGI:2137558 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Mesp2 |
| Transmission | Germline | Strain of Origin | (C57BL/6NCrlj x CBA/JNCrlj)F1 |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A PGK-neomycin resistance cassette replaced exons 1 and 2. |