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N5-methyltetrahydromethanopterin:coenzyme M methyltransferase subunit A This model describes N5-methyltetrahydromethanopterin: coenzyme M methyltransferase subunit A in methanogenic archaea. This methyltranferase is a membrane-associated enzyme complex that uses methyl-transfer reaction to drive sodium-ion pump. Archaea have evolved energy-yielding pathways marked by one-carbon biochemistry featuring novel cofactors and enzymes. This transferase (encoded by subunit A) is involved in the transfer of 'methyl' group from N5-methyltetrahydromethanopterin to coenzyme M. In an accompanying reaction, methane is produced by two-electron reduction of methyl-coenzyme M by another enzyme, methyl-coenzyme M reductase. [Transport and binding proteins, Cations and iron carrying compounds] |
Jiyao W et al.(2023). "The conserved domain database in 2023.",