| Primary Identifier | MGI:3526800 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Matk |
| Transmission | Germline | Strain of Origin | 129S4/SvJaeSor |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A DNA fragment of approximately 500 bp that includes exon 7, which encodes a peptide sequence essential for ATP binding, has been replaced by a neomycin resistance cassette. |