>tr|A0A7J9PEE4|A0A7J9PEE4_METMI Methenyltetrahydromethanopterin cyclohydrolase OS=Methanococcus maripaludis GN=mch MLSVNLASLPIVEDMINRKEELNLEVITLENGATVLDCGVNVMGSFEAGKLFTKICLGGL AHVGISISGSLDNKLVLPCVKIKTSHPAIATLGSQKAGWSVSVGKYFAMGSGPARALAMM PKATYEEIDYRDEADIAILCLESSQLPDENVADHVAEKCGVDVSKVYLLVAPTASMVGAV QISGRVVENGTYKMLEALHFDVRKVKFAAGIAPVAPVIGDDLKMMGATNDMVLYGGRTYY YVKSDEGDDIEKLCKSLPSCSAETYGKPFLEVFKEANYDFYKIDKGMFAPAVVTINDLRT GKLMSYGETNVEVLKKSLKFSQL