>sp|Q920G8-4|MFRN1_MOUSE Isoform 4 of Mitoferrin-1 OS=Mus musculus OX=10090 GN=Slc25a37 MELRRGGVGNQAAGRRMDGDCRDGGCGSKDAGSEDYENLPTSASVSTHMTAGAMAGILEH SIMYPVDSVKMDYLSPEKRIY