>tr|A0A0E3QPC7|A0A0E3QPC7_METBA Methenyltetrahydromethanopterin cyclohydrolase OS=Methanosarcina barkeri str. Wiesmoor GN=mch
MISVNEMGSNVIEEMLDWSEDLKTEVLKLNNGATVIDCGVKAEGGYEAGMYLARLCLADL
ADLKYTTFDLNGLKWPAIQVATDNPVIACMASQYAGWRISVGNYFGMGSGPARALGLKPK
ELYEEIGYEDDFEAAVLVMESDKLPDEKVVEFIAKHCSVDPENVMIAVAPTASIAGSVQI
SARVVETGIHKFESVGFDINCIKSGYGVAPIAPVVGKDVQCMGSTNDCVIYCGETNYTVR
FDGELAELEEFVKKVPSTTSQDFGKPFYQTFKEANFDFFKVDAGMFAPARLTVNDLNSTK
TISSGGLYPEILLQSFGIRNV