21. Adrenodoxin reductase has been also called a ferredoxin-NADP + reductase. 22. Adrenodoxin reductase has been also called a ferredoxin-NADP + reductase . 23. Galactitol is produced from galactose in a reaction catalyzed by aldose reductase . 24. Dissimilatory sulfate reduction utilizes the enzymes PAPS reductase , and sulfite reductase. 25. Dissimilatory sulfate reduction utilizes the enzymes PAPS reductase, and sulfite reductase . 26. One of these genes encodes the enzyme Methylenetetrahydrofolate reductase ( MTHFR ). 27. Finally, the reduced flavin is released from flavin reductase . 28. The reduction of methaneseleninic acid by mammalian thioredoxin reductase has been studied. 29. Various proteins assist in transporting mercury to mercury ( II ) reductase . 30. This gene belongs to the pyrroline-5-carboxylate reductase family.