Which one of the following is not a transpo or binding protein?

Erythropoietin increases the number of erythropoietin sensitive committed stem cells in the bone marrow that are conveed to red blood cell precursors and subsequently to mature erythrocytes When an individual bleeds or becomes hypoxic, hemoglobin synthesis is enhanced, and production and release of red blood cells from the bone marrow (erythropoiesis) are increased Ceruloplasmin- Transpo of copper Transferrin -Transpo of iron Lactoferrin is of Transferrin family and seen in milk Ref: Ganong's Review of Medical Physiology Twenty-Third Edition Page No: 677