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Báo cáo khoa học: Isolation and characterization of four type 2 ribosome inactivating pulchellin isoforms from Abrus pulchellus seeds
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Abrus pulchellusseeds contain at least seven closely related and highly toxic type 2 ribosome-inactivating pulchellins, each consisting of a toxic A-chain linked to a sugar binding B-chain. In the present study, four pulchellin isoforms (termed P I, P II, P III and P IV) were isolated by affinity, ion exchange and chromatofocusing chromatographies, and investigated with respect to toxicity and sugar binding specificity.