>sp|Q9RPW5|MCH_METME Methenyltetrahydromethanopterin cyclohydrolase OS=Methylophilus methylotrophus GN=mch SLSHEKFFSLGSGPGRALAGREELYKELGYKDSADAAVLVLESDKVPPQEVVEKVARDTG VKAENLTFILTPTRSLAGTVQIVARVLEVALHKIHTLHFPLEHVVDGMASAPLPPPAPDF LIGMGRTNDAILFGGHAHIFVKGSDEAAAKLAKELPSSASRDYGRPFAEVFKAVNM