GO:0012506

N5-methyltetrahydromethanopterin: methyltransferase, subunit A and F related protein (NCBI)
N5-methyltetrahydromethanopterin: methyltransferase, subunit E (NCBI)
N5-methyltetrahydromethanopterin: methyltransferase, subunit D (NCBI)
N5-methyltetrahydromethanopterin: methyltransferase, subunit A (NCBI)