Anti-LONRF3 antibodies are used in the immunodetection of the protein LON peptidase N-terminal domain and ring finger 3. In humans, the canonical protein has a reported length of 759 amino acid residues and a mass of 84.5 kDa. Alternative splicing is reported to yield 3 different isoforms for this protein. Synonyms for this target antigen include LON peptidase N-terminal domain and RING finger protein 3 and ring finger protein 127.