Here are recombinant proteins for SIRPB2, the approved symbol for the human gene, 'signal regulatory protein beta 2'. With a Uniprot ID of Q5JXA9, this protein is listed as having 342 residues in length and a mass of 37 kDa. Up to 3 isoforms are reported. Orthologs are reported in these species: rat. SIRPB2 may also be known by other designations: 'signal-regulatory protein beta-2, SIRP-beta-2, protein tyrosine phosphatase non-receptor type substrate protein, protein tyrosine phosphatase, non-receptor type substrate 1-like 3'.