Predicted to enable heme transmembrane transporter activity and metal ion binding activity. Predicted to be involved in heme metabolic process. Predicted to act upstream of or within hemoglobin metabolic process; positive regulation of immune response; and positive regulation of macromolecule metabolic process. Predicted to be active in extracellular space. Orthologous to human HPX (hemopexin). [provided by Alliance of Genome Resources, Apr 2022]