| Primary Identifier | MGI:1857162 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Klf1 |
| Transmission | Germline | Strain of Origin | 129S4/SvJae |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A neomycin resistance cassette replaced a portion of intron 2 and exon 2, which encodes the zinc-finger DNA-binding domain of the protein. No stable RNA for the targeted gene was detected by RNase protection using RNA from homozygous mutant embryos. |