| Primary Identifier | MGI:3605006 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Efna3 |
| Transmission | Germline | Strain of Origin | 129S/SvEv |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Exons 2-4 were replaced with a neomycin resistance cassette. The splicing of exon 1 to 5 would result in a frameshift encoding a protein truncated after 45 amino acids, lacking 90% of the ectodomain. |