>sp|Q8PTR0|MCH_METMA Methenyltetrahydromethanopterin cyclohydrolase OS=Methanosarcina mazei (strain ATCC BAA-159 / DSM 3647 / Goe1 / Go1 / JCM 11833 / OCM 88) OX=192952 GN=mch PE=3 SV=1
MISVNEMGSYVIEEMLDWSEDLKTEVIKLENGATIIDCGIKAEGGYEAGMYLARLCLADL
ADLKYSTFDLNGIKWPAIQVATDNPVIACMASQYAGWRISVGNYFGMGSGPARALGLKPK
ELYEEIGYEDDFEAAVLVMESDKLPDEKVVEYIAKHCSVDPENVMIAVAPTASIAGSVQI
SARVVETGIHKFESIGFDINCIKSGYGIAPIAPIVGNDVQCMGSTNDCVIYCGETNYTVS
FEGELAKLEDFVRKVPSTTSDDFGKPFYQTFKAANFDFFKVDAGMFAPARVTVNDLKNKK
TISSGGLYPEILLESFGIRKV