Ready-to-use ELISA kits are available for the detection of general transcription factor III A, an alias of the protein, general transcription factor IIIA. The official gene symbol is GTF3A. The protein, with a mass of 41.5 kDa and length of 365 residues, is reported to be nuclear. It may be known by other names, including: TFIIIA, AP2, and transcription factor IIIA.