Anti-OPAL1 antibodies are used in antigen-specific immunodetection in biological samples. The target OPAL1 is a known alias name of the protein WW domain binding protein 1 like, encoded by the WBP1L gene in humans. This protein has a canonical amino acid length of 342 residues and a mass of 37.8 kDa. It is localized to the membrane of the cell.