ABRIN A
\ɐbɹˈɪn ˈe͡ɪ], \ɐbɹˈɪn ˈeɪ], \ɐ_b_ɹ_ˈɪ_n ˈeɪ]\
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A toxic lectin from the seeds of jequirity, Abrus precatorius L. Very active poison. Five different proteins have so far been isolated: Abrus agglutinin, the component responsible for hemagglutininating activity, & abrins a-d, the toxic principles each consisting of two peptide chains are held together by disulfide bonds.
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