>sp|B8ITX3|MCH_METNO Methenyltetrahydromethanopterin cyclohydrolase OS=Methylobacterium nodulans GN=mch MSSTTVRPSVNALAAPLVEALVADAAKLRLTVTANSGEARLVNAGATVLGSIEAGRRIAE ICLGGLGTVTIAPTGPVAAWPYTITVHSTDPVLACLGSQYAGWSLADEGGTSGFFALGSG PGRAAAAVEHLFEELHYKDNAVQIALVLESASAPPASVVAKVAEAAGVPLEAVTFIYAPT QSLAGSTQVVARVLEVALHKAHSVGFDLAKIVDGIGAAPLSPPHPDFIQAMGRTNDAIIY GGRVQLFVDAEDADAKGLAEALPSTTSRDHGAPFAEIFARFNGDFYAIDSHLFSPAEVVV TSVRTGHSHRSGRLVPDLVERSFA