| Primary Identifier | MGI:2389488 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Mt3 |
| Transmission | Germline | Strain of Origin | 129S7/SvEvBrd-Hprt1<+> |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | 2.2 kb of sequence, encompassing the promoter and exons 1 and 2, was replaced by a neomycin selection cassette. Quantitative solution hybridization showed an absence of transcript in samples derived from homozygous mutant mice. |