| Primary Identifier | MGI:2389199 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Ppp1r9b |
| Transmission | Germline | Strain of Origin | 129X1/SvJ |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A 4.2 kb genomic fragment containing exon 1 was replaced with a neomycin selection cassette inserted by homologous recombination. Western blot analysis of brain homogenates indicated an absence of protein in homozygous mutant mice. |