Ready-to-use ELISA kits are available for the detection of T-box brain gene 1, an alias of the protein, T-box brain transcription factor 1. The official gene symbol is TBR1. The protein, with a mass of 74.1 kDa and length of 682 residues, is reported to be nuclear. It may be known by other names, including: TES-56, IDDAS, T-brain-1, T-box brain 1, and T-box brain protein 1.