| Primary Identifier | MGI:2385358 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Hif1a |
| Transmission | Germline | Strain of Origin | (129X1/SvJ x 129S1/Sv)F1-Kitl<+> |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Sequence in exon 2 encoding the basic helix-loop-helix domain was replaced with a neomycin selection cassette. The absence of transcript and functional protein was shown by Northern blot analysis and an electromobility shift assay. |