Earlier two transferrin receptors in humans, transferrin receptor 1 and transferrin receptor 2 had been characterized and until recently cellular iron uptake was believed to occur chiefly via these two well documented transferrin receptors. Both these receptors are transmembrane glycoproteins.
Earlier two transferrin receptors in humans, transferrin receptor 1 and transferrin receptor 2 had been identified and until recently cellular iron uptake was thought to occur mainly through these two well-documented transferrin receptors. Both of these receptors are transmembrane glycoproteins.