| Primary Identifier | MGI:2387752 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | St3gal1 |
| Transmission | Germline | Strain of Origin | (129X1/SvJ x 129S1/Sv)F1-Kitl<+> |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Exon 2 was flanked by loxP sites and a loxP-tk-neo cassette was inserted into the upstream intron via homologous recombination. Transient expression of cre recominase in correctly targeted cells facilitated the removal of exon 2 and the loxP-tk-neo cassette resulting in deletion of the sialyl motif essential for catalysis. |