>sp|O26867|MCH_METTH Methenyltetrahydromethanopterin cyclohydrolase OS=Methanothermobacter thermautotrophicus (strain ATCC 29096 / DSM 1053 / JCM 10044 / NBRC 100330 / Delta H) OX=187420 GN=mch PE=3 SV=1 MVSVNLEAKKIVDRMIEKADDLKIKVDKLENGSTVIDCGVNVDGSIKAGELYTGVCLGGL ADVGISIPGDLSERFALPSVKIKTDFPAISTLGAQKAGWSVSVGDFFALGSGPARALSLK PAETYEEIGYQDEADVAILTLEADKLPGEDVTDMIAEECDVAAENVYVLVAPTSSLVGSI QISGRVVENGTYKMLEALHFDVNKVKYAAGIAPIAPVDPDSLKAMGKTNDAVLFGGRTYY YIESEEGDDIKSLAENLPSSASEGYGKPFYDVFREADYDFYKIDKGMFAPAEVVINDLRT GDVFRAGFVNEELLMKSFGL