Cbr-end-1 encodes a GATA-type transcription factor that is orthologous to C. elegans end-1; Cbr-end-1 functions redundantly with Cbr-end-3.1 and Cbr-end-3.2 to specify endoderm development; expression of Cbr-end-1 in C. elegans animals deficient for the endoderm determining region (EDR) of the genome is sufficient to restore endoderm development.
Predicted to enable DNA-binding transcription factor activity; sequence-specific DNA binding activity; and zinc ion binding activity. Predicted to be involved in regulation of transcription by RNA polymerase II. Is an ortholog of C. elegans end-1. In C. elegans, end-1 is involved in endodermal cell fate specification and positive regulation of transcription by RNA polymerase II.