Anti-B5 antibodies can be readily obtained from commercial sources. The B5 protein is a reported synonym for the human gene EIF3M, encoding eukaryotic translation initiation factor 3 subunit M. The full-length protein is 42,503 daltons in mass with 2 identified isoforms. This protein is a member of the EIF-3 subunit M family. Visit the antibody supplier page for key details, including validated applications and target specificity.