Based on limited published evidence, OVOL3 is a zinc finger transcription factor containing a conserved C2H2 zinc finger domain 1. UniProt and GO annotations indicate OVOL3 likely functions as a DNA-binding transcription regulator involved in RNA polymerase II-mediated transcription and epidermal cell differentiation, localizing to the nucleus. A single clinical study identified OVOL3 as part of a four-gene regulatory T cell-related signature for predicting colon cancer prognosis 2, though this represents association rather than mechanistic evidence of function.