The soybean trypsin inhibitor was first crystallized by Kunitz in 1945 and is one of several such inhibitors found in soybeans. It inhibits the proteolytic action approximately of an equal weight of crystalline trypsin by combining with trypsin to form a stable compound. Chymotrypsin is only slightly inhibited by soy inhibitor. Applications: Suitable for use in Western Blot, ELISA and Immunohistochemistry. Other applications not tested. Recommended Dilutions: ELISA: 1:10,000-1:40,000 Western Blot: 1:5000-1:20,000 Immunohistochemistry: 1:200-1:2000 Optimal dilutions to be determined by the researcher. Storage and Stability: May be stored at 4C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20C. Aliquots are stable for 12 months. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Labeled with horseradish peroxidase (HRP). Sodium azide is a potent inhibitor of peroxidase and should not be added to HRP conjugates. HRP conjugates are sensitive to light.
Purity:
Purified from monospecific antiserum by delipidation, salt fractionation and ion exchange chromatography.
Form:
Supplied as a liquid in PBS, pH 7.2, 10mg/ml BSA (IgG and protease free), 0.01% gentamicin sulfate. Labeled with horseradish peroxidase (HRP).
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