MMGT1 GI:27735037 membrane magnesium transporter 1 1 mapslwkglv giglfalaha afsaaqhrsy mrltekedes lpidivlqtl 50 51 lafavtcygi vhiagefkdm datselknkt fdtlrnhpsf yvfnhrgrvl 100 101 frpsdtanss nqdalssnts lklrkleslr r