>6H5U_1|Chains A, B, C, D[auth H]|Magnetosome protein MamM, Cation efflux protein family|Magnetospirillum gryphiswaldense (55518) GSHMEAVQNRIVEAAERVPGVRGVIHLRARYVGQDIWADMIIGVDPENTVEQAEEICEAVQAAVCGKIRRIESLHVSAEAREIGDTTKPSFSDQPLSFDEVMLSKVDN