Pairiron(2+) and magnesium(2+)iron(2+)magnesium(2+)Documented interactionShared biology2 shared proteins.MCOLN1 Proteiniron(2+) ×2 · magnesium(2+) ×2HypothesisSLC41A2 Proteiniron(2+) ×1 · magnesium(2+) ×1Hypothesis