>sp|A6UWH7|MTRA_META3 Tetrahydromethanopterin S-methyltransferase subunit A OS=Methanococcus aeolicus (strain ATCC BAA-1280 / DSM 17508 / OCM 812 / Nankai-3) OX=419665 GN=mtrA PE=3 SV=1 MADKKAPASGWPIVSGEYVVGNPESCVAVVTLGSHGLDEAAIEAGAAISGPCHTENLGIE KVVANYISNPNIRFMLVTGSEVQGHITGQCFKALYENGIGDDGGIIGAKGAIPFLENAGQ DAISRFQNQLVEIVDLIDVEDTGKISSAIKDCISKDPGAFEEDPMILDLEGGGGEAGADE STSIKPAAPETVLLEARMRMISEKINDAALIAKFNSGYYNGKIQGIAIGLFLSLLIFSLL