| Primary Identifier | MGI:5514343 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Mterf1b |
| Transmission | Germline | Strain of Origin | Not Specified |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | The second exon was replaced with a hygromycin resistance cassette. ES cells containing this allele were used to generate Mterf1atm1.1Lrsn. |