The Unfolding Pathway and Conformational Stability of Potato Carboxypeptidase Inhibitor
نویسندگان
چکیده
منابع مشابه
The disulfide folding pathway of potato carboxypeptidase inhibitor.
Potato carboxypeptidase inhibitor (PCI) contains 39 amino acids and three disulfides. Reduced and denatured PCI refolds spontaneously in vitro to regain its native structure. The folding pathway of a recombinant form of this protein has been elucidated by structural analysis and stop/go folding experiments of both acid and iodoacetate-trapped intermediates. The results reveal that folding of PC...
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Estimation of protein stability is important for many reasons: first providing an understanding of the basic thermodynamics of the process of folding, protein engineering, and protein stability plays important role in biotechnology especially in food and protein drug design. Today, proteins are used in many branches, including industrial processes, pharmaceutical industry, and medical fields. A...
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The epidermal growth factor receptor (EGFR) signal transduction pathway plays a prominent role in the development of carcinomas, and is an interesting target for antitumoral therapy. We have previously described how potato carboxypeptidase inhibitor (PCI), a 39-amino acid protease inhibitor with a T-Knot motif, binds to EGFR receptor and inhibits the activation of receptor protein tyrosine kina...
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D-Cysteine differs from the antiarthritis drug D-penicillamine by only two methyl groups on the beta-carbon yet inhibits carboxypeptidase A (CPD) by a distinct mechanism: D-cysteine binds tightly to the active site zinc, while D-penicillamine catalyzes metal removal. To investigate the structural basis for this difference, we solved the crystal structure of carboxypeptidase A complexed with D-c...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 2000
ISSN: 0021-9258
DOI: 10.1074/jbc.275.19.14205