| Primary Identifier | MGI:2158258 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Atp4b |
| Transmission | Germline | Strain of Origin | 129S4/SvJae |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A neomycin selection casssette replaced 35 bp of exon 1. RT-PCR analysis demonstrated that no stable transcript was present in gastric tissue of homozygous mice, and western blot analysis showed that no stable protein was produced from this allele in gastric membranes derived from homozygous mice. |