>tr|A0A0E3QQE5|A0A0E3QQE5_METBA Tetrahydromethanopterin S-methyltransferase subunit A OS=Methanosarcina barkeri str. Wiesmoor GN=mtrA MADKKEPAPGWPILKGEYEVGDVKNCVLVITCGSHLPGQPILDAGAAVTGSCKTENLGIE KVVAHIISNPNIRYLLVTGSEVKGHITGQSVMSLHANGVKDNRISGALGAIPYVENLNED AIARFQEQVDVVNLLDTEDMGAITSKVKELASKDPGAFDAEPMIVEISEEGEEEEEGGAV RPVSGEIAVIRSRLKAIEARMMDIGNLNKFHSGVHAGKIEGAMIGLTVTISLLGLLLLGR