Computational analysis of folding and mutation properties of C5 domain from Myosin Binding Protein C (Articolo in rivista)

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  • Computational analysis of folding and mutation properties of C5 domain from Myosin Binding Protein C (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1002/prot.21621 (literal)
Alternative label
  • Carlo Guardiani (1); Fabio Cecconi (2); Roberto Livi (3) (2008)
    Computational analysis of folding and mutation properties of C5 domain from Myosin Binding Protein C
    in Proteins (Online); WILEY-BLACKWELL, MALDEN 02148,MA (Stati Uniti d'America)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Carlo Guardiani (1); Fabio Cecconi (2); Roberto Livi (3) (literal)
Pagina inizio
  • 1313 (literal)
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  • 1322 (literal)
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  • http://onlinelibrary.wiley.com/doi/10.1002/prot.21621/abstract (literal)
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  • 70 (literal)
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  • Wiley-Liss. (literal)
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  • 10 (literal)
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  • 4 (literal)
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  • ISI Web of Science (WOS) (literal)
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  • (1) Centro Interdipartimentale per lo Studio delle Dinamiche Complesse (CSDC) Sezione INFN di Firenze, Italy (2) INFM-SMC and Istituto dei Sistemi Complessi ISC-CNR, Via dei Taurini 19, Rome I-00185, Italy (3) Dipartimento di Fisica Universita` di Firenze, Centro Interdipartimentale per lo Studio delle Dinamiche Complesse (CSDC), Sezione INFN di Firenze e INFM UdR Firenze, Italy (literal)
Titolo
  • Computational analysis of folding and mutation properties of C5 domain from Myosin Binding Protein C (literal)
Abstract
  • Thermal folding molecular dynamics simulations of the domain C5 of Myosin binding protein C were performed using a native-centric model to study the role of three mutations related to Familial Hypertrophic Cardiomyopathy. Mutation of Asn755 causes the largest shift of the folding temperature, and the residue is located in the CFGA? ?-sheet featuring the highest ?-values. The mutation thus appears to reduce the thermodynamic stability in agreement with experimental data. The mutations on Arg654 and Arg668, conversely, cause little change in the folding temperature and they reside in the low ?-value BDE ?-sheet, so that their pathological role cannot be related to impairment of the folding process but possibly to the binding with target molecules. As the typical signature of Domain C5 is the presence of a longer and destibilizing CD-loop with respect to the other Ig-like domains, we completed the work with a bioinformatic analysis of this loop showing a high density of negative charge and low hydrophobicity. This indicates the CD-loop as a natively unfolded sequence with a likely coupling between folding and ligand binding. (literal)
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