methylenetetrahydrofolate reductase (NADH) activity
Catalysis of the reaction: (6S)-5-methyl-5,6,7,8-tetrahydrofolate + NAD+ = (6R)-5,10-methylene-5,6,7,8-tetrahydrofolate + NADH + H+.
GO:0004489
methylenetetrahydrofolate reductase [NAD(P)H] activity
is_a
SPAC56F8.10