Reductase

A reductase is an enzyme which lowers the activation energy for a reduction reaction.

Examples

 * 5-alpha reductase
 * Dihydrofolate reductase
 * HMG-CoA reductase
 * Methemoglobin reductase
 * Ribonucleotide reductase
 * Thioredoxin reductase
 * E. coli nitroreductase
 * Methylenetetrahydrofolate reductase