| Primary Identifier | MGI:1857710 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Acvr1b |
| Transmission | Germline | Strain of Origin | 129S4/SvJae |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A neomycin cassette was inserted into the exon encoding kinase subdomain VI. |