>sp|O85014|MCH_METEA Methenyltetrahydromethanopterin cyclohydrolase OS=Methylorubrum extorquens GN=mch MSSNTSAPSLNALAGPLVESLVADAAKLRLIVAQENGARTVDAGANARGSIEAGRRIAEI CLGGLGTVTIAPIGPVASWPYTVVVHSADPVLACLGSQYAGWSLADEEGDSGFFALGSGP GRAVAVVEELYKELGYRDNATTTALVLESGSAPPASVVNKVAAATGLAPENVTFIYAPTQ SLAGSTQVVARVLEVALHKAHTVGFDLHKILDGIGSAPLSPPHPDFIQAMGRTNDAIIYG GRVQLFVDADDADAKQLAEQIPSTTSADHGAPFAEIFSRVNGDFYKIDGALFSPAEAIVT SVKTGKSFRGGRLEPQLVDASFV