si_0574 Magnetosome_Biomineralization_and_Function Glycine-rich cell wall structural protein 1.0 precursor si_0574 Magnetosome_Biomineralization_and_Function Magnetosome protein MamC si_0574 Magnetosome_Biomineralization_and_Function Magnetosome protein MamS si_0574 Magnetosome_Biomineralization_and_Function Magnetosome protein MamF