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Discovery of Novel Plant Peptides as Strong Inhibitors of Metalloproteinases

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Abstract:

Five novel metalloproteinase protein inhibitors (MPIs) with molecular mass between 5.6 and 8.9 kDa and acid/neutral pI were detected in lupin seeds and exhibited strong inhibitory activities against thermolysin and/or gelatinase B. These novel peptides constitute not only the first MPIs described in plants but also the first plant peptides with inhibitory activity against a matrixin.





Keywords: Gelatinase B; lupin quiescent seed; matrixin peptide inhibitor; metalloproteinase protein inhibitor (MPI); thermolysin

Document Type: Research Article

DOI: http://dx.doi.org/10.2174/092986609788167789

Publication date: May 1, 2009

More about this publication?
  • Protein & Peptide Letters publishes short papers in all important aspects of protein and peptide research, including structural studies, recombinant expression, function, synthesis, enzymology, immunology, molecular modeling, drug design etc. Manuscripts must have a significant element of novelty, timeliness and urgency that merit rapid publication. Reports of crystallisation, and preliminary structure determinations of biologically important proteins are acceptable. Purely theoretical papers are also acceptable provided they provide new insight into the principles of protein/peptide structure and function.
ben/ppl/2009/00000016/00000005/art00013
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