Cathepsin D from bovine spleen, lyophilized powder, >=2.0 units/mg protein

L-Glutamate Oxidase from Streptomyces sp., recombinant, expressed in E. coli, lyophilized powder, >=5.0 units/mg solid

Nitrate Reductase (NAD[P]H) from Aspergillus niger, lyophilized powder, >=300 units/g solid

Trehalase from porcine kidney, buffered aqueous glycerol solution, >=1.0 units/mg protein

Lambda Phage DNA, Non-methylated from Escherichia coli host strain GM119 (rm-,dam-,dcm-), solution

Xanthine Oxidase from bovine milk, Grade I, ammonium sulfate suspension, >=0.4 units/mg protein

Xanthine Oxidase from bovine milk, lyophilized powder, 0.4-1.0 units/mg protein