>sp|Q8TQ42|MCH_METAC Methenyltetrahydromethanopterin cyclohydrolase OS=Methanosarcina acetivorans GN=mch
MISVNEMGSYVIEEMLDWSEDLKTEVTKLNSGATIIDCGVKAEGGYEAGMYLARLCLGDL
ADLKYSTFDLNGIKWPAIQVATDNPLIACMASQYAGWRISVGDYFGMGSGPARALGLKPK
ELYEEIGYEDDFEVAVLVMESDKLPDEKVVEYIAKHCGVEPENVMIAVAPTASIAGSVQI
SARVVETGIHKFESIGFDINCIKSGYGIAPIAPVVGNDVQCMGSTNDCVIYCGETNYTVR
FEGELAELEDFVKKVPSTTSNDFGKPFYQTFKAANFDFFKVDAGMFAPARVTVNDLKSTK
TISSGGLYPEILLESFGIRNV