Anti-SALM4 antibodies enable researchers to detect and measure the SALM4 antigen in biological samples. This target is a reported synonym of the LRFN3 gene, which encodes leucine rich repeat and fibronectin type III domain containing 3. The human version of SALM4 has a canonical amino acid length of 628 residues and a protein mass of 66.3 kilodaltons. It is reported to be localized in the cell membrane of cells and widely expressed in many tissue types. SALM4 is a member of the LRFN protein family.