| Primary Identifier | MGI:3580000 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Sycp1 |
| Transmission | Germline | Strain of Origin | 129P2/OlaHsd |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A neomycin selection cassette replaced exons 2-8, which contains the splice donor sequence of intron 1, the ATG start codon in exon 2 and about 20% of the ORF. The complete lack of protein was confirmed by Western blot of tetstis cell extracts from mutant mice. |