>sp|P94919|MCH_METBF Methenyltetrahydromethanopterin cyclohydrolase OS=Methanosarcina barkeri GN=mch
MISVNEMGSNVIEEMLDWSEDLKTEVLKLNNGATVIDCGVKAEGGYEAGMYLARLCLADL
ADLKYTTFDLNGLKWPAIQVATDNPVIACMASQYAGWRISVGNYFGMGSGPARALGLKPK
ELYEEIGYEDDFEAAVLVMESDKLPDEKVVEFIAKHCSVDPENVMIAVAPTASIAGSVQI
SARVVETGIHKFESVGFDINCIKSGYGVAPIAPVVGKDVQCMGSTNDCVIYCGETNYTVR
FDGELAELEEFVKKVPSTTSQDFGKPFYQTFKEANFDFFKVDAGMFAPARLTVNDLNSTK
TISSGGLYPEILLQSFGIRNV