Anti-SRY-box transcription factor 30 antibodies are used for the immunodetection of the protein encoded by the SOX30 gene. In humans, the canonical protein has a reported length of 753 amino acid residues and a mass of 81.9 kDa. Its subcellular localization is in the nucleus and cytoplasm. Alternative splicing is reported to yield 2 different isoforms for this protein. It is known to act as both a transcriptional activator and repressor. Other names for this target antigen include SRY (sex determining region Y)-box 30, SRY-box 30, Sox30 protein type II, and transcription factor SOX-30. Gene orthologs have been identified in the mouse, rat, bovine, frog, chimpanzee and chicken species.