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Wiktionary
hemopexin

alt. (context protein English) A serum globulin that binds heme and porphyrins n. (context protein English) A serum globulin that binds heme and porphyrins

Wikipedia
Hemopexin

Hemopexin (or haemopexin; HPX), also known as beta-1B-glycoprotein is a protein that in humans is encoded by the HPX gene and belongs to hemopexin family of proteins.