Description 描述：Chromatographically purified. Same as Code: ZF except assayed using NAD. Phosphohexose isomerase, phosphogluconate dehydrogenase, adenylate kinase and creatine phosphokinase contaminant activities ² 0.011%, 0.002%, 0.0011% and 0.0011% respectively. A suspension in 3.7 M ammonium sulfate.Activity/Specification：≥360 NAD units per mg protein网站链接：http://www.worthington-biochem.com/ZF/cat.html