Human IgG antibody Laboratories manufactures the sibenzyme ltd. reagents distributed by Genprice. The Sibenzyme Ltd. reagent is RUO (Research Use Only) to test human serum or cell culture lab samples. To purchase these products, for the MSDS, Data Sheet, protocol, storage conditions/temperature or for the concentration, please contact Sibenzyme Restriction Enzymes. Other Sibenzyme products are available in stock. Specificity: Sibenzyme Category: Ltd.