AUTHOR=Pastore Annalisa TITLE=New challenges in structural biology: Catching the complexity of dynamic nanomachines JOURNAL=Frontiers in Molecular Biosciences VOLUME=1 YEAR=2014 URL=https://www.frontiersin.org/journals/molecular-biosciences/articles/10.3389/fmolb.2014.00003 DOI=10.3389/fmolb.2014.00003 ISSN=2296-889X