| Primary Identifier | MGI:3819163 | Allele Type | Targeted |
| Gene | Ret | Transmission | Germline |
| Strain of Origin | 129P2/OlaHsd | Is Recombinase | false |
| Is Wild Type | false |
| molecularNote | Nucleotide substitutions were used to create an amino acid substitution of arginnine for cysteine at position 20 (C620R). A floxed neo cassette inserted downstream of exon 10 was removed by transient cre expression in ES cells. |