| Primary Identifier | MGI:5296500 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Fn1 |
| Transmission | Germline | Strain of Origin | (129X1/SvJ x 129S1/Sv)F1-Kitl<+> |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A C1238G mutation in exon 30 results in an aspartic to glutamic acid change altering the RGD motif to RGE. A floxed neomycin resistance cassette was inserted in intron 30 and subsequently removed from properly targeted mice by cre excision. |