Compound as reactive (1)
H2O + 5,10-methylene-tetrahydromethanopterin + 3-methyl-2-oxobutanoate → tetrahydromethanopterin + 2-dehydropantoate
Compound as product (1)
H2O + 5,10-methylene-tetrahydromethanopterin ← tetrahydromethanopterin + formaldehyde
Reversible reaction (4)
H2O + glycine + 5,10-methylene-tetrahydromethanopterin ↔ tetrahydromethanopterin + L-serine
NAD(P)+ + 5,10-methylene-tetrahydromethanopterin ↔ NAD(P)H + 5,10-methenyltetrahydromethanopterin
H2 + 5,10-methenyltetrahydromethanopterin ↔ 5,10-methylene-tetrahydromethanopterin + H+
5,10-methylene-tetrahydromethanopterin + an oxidized factor 420 + H+ ↔ 5,10-methenyltetrahydromethanopterin + a reduced factor 420