- Ferredoxin-NADP+ Reductase, from Spinacia oleracea (spinach),lyophilized powder, ≥15 units/mg solid, secondary activity: ≥10 units/mg solid NADPH diaphorase, 10U
- Endoglycosidase H, from Streptomyces plicatus,recombinant, expressed in E. coli, buffered aqueous solution, 1U