Predicted to enable several functions, including general transcription initiation factor binding activity; metalloendopeptidase activity; and zinc ion binding activity. Predicted to be involved in proteolysis and transcription by RNA polymerase II. Predicted to be part of transcription factor TFIID complex. Is an ortholog of C. elegans
taf-1. In C. elegans,
taf-1 is involved in embryo development and transcription initiation at RNA polymerase II promoter.