| Primary Identifier | MGI:2148207 | Allele Type | Targeted |
| Attribute String | Null/knockout, Reporter | Gene | Tcf21 |
| Transmission | Germline | Strain of Origin | (129X1/SvJ x 129S1/Sv)F1-Kitl<+> |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Replacement of the initiation codon and sequences encoding the bHLH domain with an in-frame lacZ gene and neomycin resistance cassette. |