Insight into a Novel p53 Single Point Mutation (G389E) by Molecular Dynamics Simulations (Articolo in rivista)

Type
Label
  • Insight into a Novel p53 Single Point Mutation (G389E) by Molecular Dynamics Simulations (Articolo in rivista) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.3390/ijms12010128 (literal)
Alternative label
  • Pirolli, Davide; Carelli Alinovi, Cristiana; Capoluongo, Ettore; Satta, Maria Antonia; Concolino, Paola; Giardina, Bruno; De Rosa, Maria Cristina (2011)
    Insight into a Novel p53 Single Point Mutation (G389E) by Molecular Dynamics Simulations
    in International journal of molecular sciences (Online)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Pirolli, Davide; Carelli Alinovi, Cristiana; Capoluongo, Ettore; Satta, Maria Antonia; Concolino, Paola; Giardina, Bruno; De Rosa, Maria Cristina (literal)
Pagina inizio
  • 128 (literal)
Pagina fine
  • 140 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 12 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 13 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 1 (literal)
Note
  • ISI Web of Science (WoS) (literal)
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Consiglio Nazionale delle Ricerche (CNR); Catholic University of the Sacred Heart; University of Cassino; Catholic University of the Sacred Heart (literal)
Titolo
  • Insight into a Novel p53 Single Point Mutation (G389E) by Molecular Dynamics Simulations (literal)
Abstract
  • The majority of inactivating mutations of p53 reside in the central core DNA binding domain of the protein. In this computational study, we investigated the structural effects of a novel p53 mutation (G389E), identified in a patient with congenital adrenal hyperplasia, which is located within the extreme C-terminal domain (CTD) of p53, an unstructured, flexible region (residues 367-393) of major importance for the regulation of the protein. Based on the three-dimensional structure of a carboxyl-terminal peptide of p53 in complex with the S100B protein, which is involved in regulation of the tumor suppressor activity, a model of wild type (WT) and mutant extreme CTD was developed by molecular modeling and molecular dynamics simulation. It was found that the G389E amino acid replacement has negligible effects on free p53 in solution whereas it significantly affects the interactions of p53 with the S100B protein. The results suggest that the observed mutation may interfere with p53 transcription activation and provide useful information for site-directed mutagenesis experiments. (literal)
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