Anti-amyotrophic lateral sclerosis 2 chromosome region candidate 12 antibodies are used in antigen-specific immunodetection in biological samples. The target amyotrophic lateral sclerosis 2 chromosome region candidate 12 is a known alias name of the protein flagellum associated containing coiled-coil domains 1, encoded by the FLACC1 gene in humans. This protein has a canonical amino acid length of 445 residues and a mass of 52.4 kDa. It is localized to the cytoplasm of the cell.