Polymeric hydrophobic membranes as a tool to control polymorphism and protein–ligand interactions (Articolo in rivista)

Type
Label
  • Polymeric hydrophobic membranes as a tool to control polymorphism and protein–ligand interactions (Articolo in rivista) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.memsci.2006.06.028 (literal)
Alternative label
  • Simone S., Curcio E., Di Profio G., Ferraroni M., Drioli E. (2006)
    Polymeric hydrophobic membranes as a tool to control polymorphism and protein–ligand interactions
    in Journal of membrane science (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Simone S., Curcio E., Di Profio G., Ferraroni M., Drioli E. (literal)
Pagina inizio
  • 123 (literal)
Pagina fine
  • 132 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 283 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 1-2 (literal)
Note
  • Scopus (literal)
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Institute on Membrane Technology ITM-CNR, Rende (CS), Italy Department of Chemical Engineering and Materials, University of Calabria, Rende (CS), Italy Department of Chemistry, University of Calabria, Rende (CS), Italy Department of Chemistry, University of Florence, Sesto Fiorentino (FI), Italy (literal)
Titolo
  • Polymeric hydrophobic membranes as a tool to control polymorphism and protein–ligand interactions (literal)
Abstract
  • In recent years, crystallization techniques based on microporous hydrophobic membranes have been successfully applied to biological macromolecules. In this work, the membrane crystallizer has been used to evaluate how the presence of the polymeric surface influences the interactions between a test-protein, hen egg white lysozyme (HEWL), and two metal cations: Cu2+ and Co2+. Different techniques have been used in order to investigate the features of the obtained crystals and elucidate the membrane role during the growth process. Experimental results show large crystal size and improved crystal quality. Unexpectedly, lysozyme-Co2+ crystals having peculiar morphologies as well as a new kind of crystal lattice (orthorhombic P212121 form with unit cell constants a = 36.81A° , b = 77.56A° , c = 80.38A° ) have been found. Furthermore, new coordination positions of the copper cation to lysozyme, different with respect to those already described in literature, have been observed. Beside the well demonstrated effectiveness in the field of protein crystallization, these results suggest that polymeric film surfaces could be useful to control the occurring of polymorphs during crystallization and modulate the interactions between proteins and ligands like ions, additives, etc. (literal)
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