Predicted to enable zinc ion binding activity. Predicted to be involved in nucleotide-excision repair; regulation of transcription by RNA polymerase II; and transcription by RNA polymerase II. Predicted to be located in nuclear speck. Predicted to be part of core TFIIH complex portion of holo TFIIH complex. Orthologous to several human genes including GTF2H2C (GTF2H2 family member C). [provided by Alliance of Genome Resources, Apr 2022]