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3 results
Inhibition of Naja nigricolis (Reinhardt) venom protease activity by Luffa egyptiaca (Mill) and Nicotiana rustica (Linn) extracts.
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Luffa egyptiaca and Nicotiana rustica are used in traditional medicine to treat snakebites and were evaluated for inhibitory activities on Naja nigricolis venom protease. The aqueous and ethanolic extracts of L. egyptiaca significantly reduced the maximum velocity (Vmax) and the computed index of
An Ancient Peptide Family Buried within Vicilin Precursors.
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New proteins can evolve by duplication and divergence or de novo, from previously noncoding DNA. A recently observed mechanism is for peptides to evolve within a "host" protein and emerge by proteolytic processing. The first examples of such interstitial peptides were ones hosted by
Complete amino acid sequence of luffin-a, a ribosome-inactivating protein from the seeds of sponge gourd (Luffa cylindrica).
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The complete amino acid sequence of luffin-a has been determined. Twenty-two peptides were isolated from the tryptic digest of luffin-a and sequenced employing the DABITC/PITC double coupling method. Overlaping of these peptides was achieved by analyzing the chymotryptic peptides or CNBr-fragments
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