A lectin gene encodes the alpha-amylase inhibitor of the common bean.
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چکیده
منابع مشابه
Mutants of common bean alpha-amylase inhibitor-2 as an approach to investigate binding specificity to alpha-amylases
Despite the presence of a family of defense proteins, Phaseolus vulgaris can be attacked by bruchid insects resulting in serious damage to stored grains. The two distinct active forms of α-amylase inhibitors, α-AI1 and α-AI2, in P. vulgaris show different specificity toward α-amylases. Zabrotes subfasciatus α-amylase is inhibited by α-AI2 but not by α-AI1. In contrast, porcine α-amylase is inhi...
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15 صفحه اولPurification and properties of phaseolamin, an inhibitor of alpha-amylase, from the kidney bean, Phaseolus vulgaris.
Kidney beans, Phaseolus vulgaris, contain a proteinaceous inhibitor of alpha-amylase, which we have named phaseolamin. The inhibitor has been purified to homogeneity by conventional protein fractionation methods involving heat treatment, dialysis, and chromatography on DEAE-cellulose, Sephadex G-100, and CM-cellulose. Phaseolamin is specific for animal alpha-amylases, having no activity towards...
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Seeds of the common bean (Phaseolus vulgaris) contain a plant defense protein that inhibits the alpha-amylases of mammals and insects. This alpha-amylase inhibitor (alpha AI) is synthesized as a proprotein on the endoplasmic reticulum and is proteolytically processed after arrival in the protein storage vacuoles to polypeptides of relative molecular weight (M(r)) 15,000 to 18,000. We report two...
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ژورنال
عنوان ژورنال: Proceedings of the National Academy of Sciences
سال: 1989
ISSN: 0027-8424,1091-6490
DOI: 10.1073/pnas.86.20.7885