| Primary Identifier | MGI:5000519 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Col5a3 |
| Transmission | Germline | Strain of Origin | (129X1/SvJ x 129S1/Sv)F1-Kitl<+> |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A 1.2 kb genomic fragment including 3 C-propeptide exons was replaced with a neo cassette via homologous recombination. Immunoblot and RT-PCR analysis of E15.5 homozygous embryos confirmed the absence of RNA and protein expression. |