| Primary Identifier | MGI:5638780 | Allele Type | Targeted |
| Attribute String | Modified isoform(s) | Gene | Col2a1 |
| Transmission | Germline | Strain of Origin | 129S6/SvEvTac |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Exon 2 was replaced with one in which mutations (AGGTAT to CACTAC) altered the 5' splice site abolishing production of the type 2c isoform. Cre-mediated recombination removed the floxed neomycin resistance cassette inserted downstream of the modified exon 2. |