| Primary Identifier | MGI:5882201 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Rsph4a |
| Transmission | Germline | Strain of Origin | (129S6/SvEvTac x C57BL/6NCrl)F1 |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | LoxP sites were inserted into introns 1 and 3. An FRT site flanked neomycin resistance gene cassette was inserted between exon 3 and the loxP site. Through subsequent cre-mediated recombination, exons 2 and 3 as well as the neo cassette were deleted, creating a null allele. |
