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  • Title: Purification and partial characterization of a thiol proteinase inhibitor from Enterolobium contortisiliquum beans.
    Author: Oliva ML, Sampaio MU, Sampaio CA.
    Journal: Biol Chem Hoppe Seyler; 1988 May; 369 Suppl():229-32. PubMed ID: 3202965.
    Abstract:
    A thiol proteinase inhibitor was purified from Enterolobium contortisiliquum beans by affinity chromatography on carboxy-methylated-papain-Sepharose. The inhibitor represents a single polypeptide chain with a molecular mass of 60 kDa and inactivates papain (Ki = 0.58 x 10(-9) M) and bromelain. The inhibitor shows activity in the pH range 2 to 10 and at temperatures up to 60 degrees C.
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