Is the calcium transporter a potential candidate for heme transport?

Abstract excerpt

Heme is of significant importance in iron nutrition and in systemic iron metabolism. The crux of the matter is that while much is known about non-heme metabolism, the vectorial import of exogenous porphyrin macromolecules into the enterocyte and possibly into blood circulation is still speculative. The inhibitory effect of calcium on heme iron absorption has been previously reported in the literature. This paper...

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