>tr|A0A7J9PE61|A0A7J9PE61_METMI Tetrahydromethanopterin S-methyltransferase subunit B OS=Methanococcus maripaludis GN=mtrB MDIVKVCPELHIVMDVDSGLIAEMRKDILVVDLHPVEDEINKLAQYAKALENSLDPRNSP MKAYNGREGTYKLAGMFQGMFFGFWVTMAILVLVTILAVKMNLSLIGL