| Primary Identifier | MGI:2662686 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Xrcc2 |
| Transmission | Germline | Strain of Origin | 129S/SvEv |
| Is Recombinase | false | Is Wild Type | false |
| description | ES cell line = MAC3 |
| molecularNote | The gene was disrupted by replacement of exon 3 (comprising 86% of the coding region) with a neomycin resistance cassette via homologous recombination. Absence of gene expression was confirmed by RT-PCR analysis of RNA isolated from homozygous mutant embryos. |