| Primary Identifier | MGI:1926439 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Gfra1 |
| Transmission | Germline | Strain of Origin | 129X1/SvJ |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Replacement of the first and second exons of Gfra1 with pGK-neomycin cassette. Absence of expression was confirmed by Northern blots on brain poly(A)+RNA. |