| Primary Identifier | MGI:5447948 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Chit1 |
| Transmission | Germline | Strain of Origin | Not Specified |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A floxed neo cassette replaced exons 1 through 5. ELISA confirmed the absence of protein expression in the serum. |