Simplified procedures for the isolation of HF3, bothropasin, disintegrin-like/cysteine-rich protein and a novel P-I metalloproteinase fromBothrops jararacavenom

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Abstract

HF3 and bothropasin are P-III hemorrhagic snake venom metalloproteinases (SVMPs) of Bothrops jararaca. The DC protein is composed of the disintegrin-like/cysteine-rich domains derived from the autolysis of P-III SVMPs. Here we describe simplified procedures for the isolation of HF3, bothropasin, the DC protein, and BJ-PI, a novel P-I SVMP. The isolated proteins were identified by mass spectrometry. BJ-PI is a potent caseinolytic enzyme devoid of hemorrhagic activity. HF3, bothropasin and BJ-PI show distinct fibrinogenolytic activities.

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