- BP001679-CE36: Recombinant Human Aldo-Keto Reductase 1C4 (AKR1C4) Protein 
 
 Source: E. coli-derived.
 Purity: >95% by SEC-HPLC and reducing SDS-PAGE.
 Endotoxin: < 0.1 ng/ug (1 IEU/ug).
- BP001679-ENZ-145: Recombinant Human Aldo-Keto Reductase 1C4 (AKR1C4) Protein 
 
 Source: E. coli-derived.
 Specific activity: approximately > 0.6 units/mg. Enzymatic activity was confirmed by measuring the amount of enzyme catalyzing the oxidation of 1 micromole NADPH per minute at 25C. Specific activity was expressed as units/mg protein.
 Purity: >90% by SDS-PAGE.