| Primary Identifier | MGI:3620120 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Krt4 |
| Transmission | Germline | Strain of Origin | STOCK 129/Sv and C57BL/6J and SJL |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A pgkNeo cassette was inserted in reverse orientation in a unique XmaI site in the 12th codon of the gene. Chimeric RNA was detected by RT-PCR. No mRNA was detected in Northern blots. Protein product could not be detected by Western blot analysis. |