Here are recombinant proteins for SIRPD, the approved symbol for the human gene, 'signal regulatory protein delta'. With a Uniprot ID of Q9H106, this protein is listed as having 197 residues in length and a mass of 21.7 kDa. A subcellular localization as 'secreted' is noted. Orthologs are reported in these species: mouse, rat. SIRPD may also be known by other designations: 'signal-regulatory protein delta, SIRP-delta, protein tyrosine phosphatase, non-receptor type substrate 1-like 2'.