Description 描述：Chromatographically purified for higher specific activity. Same as Code: ZF except assayed using NAD. Phosphohexose isomerase, phosphogluconate dehydrogenase, adenylate kinase and creatine phosphokinase contaminant activities 0.02%, 0.003%, 0.002% and 0.002% respectively. A suspension in 3.7M ammonium sulfate.Activity/Specification：>=600 NAD units per mg protein网站链接：http://www.worthington-biochem.com/ZF/cat.html