Anti-TMEM191C antibodies are used in the immunodetection of the protein transmembrane protein 191C. In humans, the canonical protein has a reported length of 347 amino acid residues and a mass of 39.3 kDa. Its subcellular localization is in the membrane. It is a member of the TMEM191 protein family. Synonyms for this target antigen include KB-1323B2.6. TMEM191C gene orthologs have been reported in the mouse, rat, bovine and chimpanzee species.