| Primary Identifier | MGI:1857438 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Hexb |
| Transmission | Germline | Strain of Origin | 129S4/SvJae |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A neomycin resistance cassette was inserted into and disrupted exon 13 of the gene. This mutation resulted in the production of no detectable functional protein. |