ID   3.5.4.27
DE   methenyltetrahydromethanopterin cyclohydrolase.
AN   methenyl-H(4)MPT cyclohydrolase.
CA   5,10-methenyl-5,6,7,8-tetrahydromethanopterin + H2O = H(+) + N(5)-formyl-
CA   5,6,7,8-tetrahydromethanopterin.
CC   -!- Methanopterin is a pterin analog.
CC   -!- Involved in the formation of methane from CO2 in Methanobacterium
CC       thermoautotrophicum.
DR   O28344, MCH_ARCFU  ;  B0R653, MCH_HALS3  ;  Q9HPD7, MCH_HALSA  ;
DR   Q9RPW6, MCH_HYPME  ;  A6UU55, MCH_META3  ;  Q8TQ42, MCH_METAC  ;
DR   Q9RPW4, MCH_METAL  ;  Q0W8U9, MCH_METAR  ;  A7I637, MCH_METB6  ;
DR   P94919, MCH_METBF  ;  Q12Y52, MCH_METBU  ;  Q9RPW8, MCH_METCA  ;
DR   O85014, MCH_METEA  ;  Q8KMJ5, MCH_METED  ;  Q9RQ04, MCH_METFK  ;
DR   Q2FR24, MCH_METHJ  ;  Q59030, MCH_METJA  ;  P94954, MCH_METKA  ;
DR   A2SQG9, MCH_METLZ  ;  A4FWY5, MCH_METM5  ;  A6VGD1, MCH_METM7  ;
DR   Q8PTR0, MCH_METMA  ;  Q9RPW5, MCH_METME  ;  A3CTA1, MCH_METMJ  ;
DR   Q6LY02, MCH_METMP  ;  B8ITX3, MCH_METNO  ;  Q9RPW7, MCH_METOR  ;
DR   B8GDH2, MCH_METPE  ;  Q9RPW2, MCH_METRU  ;  A5UP00, MCH_METS3  ;
DR   B0UF36, MCH_METS4  ;  O26867, MCH_METTH  ;  P51616, MCH_METTM  ;
DR   Q9RPW3, MCH_METTO  ;  Q9RPD4, MCH_METTR  ;  A6UPJ2, MCH_METVS  ;
DR   Q7UPS1, MCH_RHOBA  ;  Q9RQ01, MCH_XANAU  ;
//