| Primary Identifier | MGI:4457699 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Boll |
| Transmission | Germline | Strain of Origin | Not Specified |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A knock-out allele was generated by replacement of exon 3 with a neo/lacZ cassette. The absence of endogenous protein expression from this gene was confirmed by western blot analysis on testis extract. |