Anti-FRG2C antibodies are used in the immunodetection of the protein FSHD region gene 2 family member C. In humans, the canonical protein has a reported length of 282 amino acid residues and a mass of 30.8 kDa. Its subcellular localization is in the nucleus. It is a member of the FRG2 protein family. Synonyms for this target antigen include FSHD region gene 2 family, member C-like, FSHD region gene 2 protein family member C, HSA3-FRG2, and protein FRG2-like-2.