Anti-TCF19 antibodies are used in the immunodetection of the protein transcription factor 19. In humans, the canonical protein has a reported length of 345 amino acid residues and a mass of 37.2 kDa. Its subcellular localization is in the nucleus. Among its functions, TCF19 is involved with the regulation of gene expression. Synonyms for this target antigen include SC1 and transcription factor SC1.