The SRY box 21 ELISA kits listed below are analytical tools for measuring concentrations of SRY box 21 in various samples. SRY box 21 is an alternative name for the human SOX21 gene, which encodes the protein, SRY-box transcription factor 21. It has been mentioned that SRY box 21 plays a role in the morphogenesis of anatomical structure and cell differentiation, among other functions. Structurally, the SOX21 protein is described to be 276 amino acid residues in length and 28.6 kilodaltons in mass. It is localized to the nucleus of the cell. Other names for this target antigen include SOX25, SOX25, and transcription factor SOX-21. Click on the following ELISA kits for more detailed information, including target reactivity and assay sensitivity.