<Journal class="Journal" value="Journal of Molecular Biology" /> <Page class="#txt" value="447"> <Page-2 class="#txt" value="56" /> </Page> <Volume class="#txt" value="371" /> <Year class="Year" value="2007" /> </Reference> <Author class="Author" value="Tiesinga JJ" /> <Author class="Author" value="van Pouderoyen G" /> <Author class="Author" value="Nardini M" /> <Author class="Author" value="Ransac S" /> <Author class="Author" value="Dijkstra BW" /> <Medline class="Medline" value="17582438" /> <Abstract class="LongText" value="Tiesinga_2007_J.Mol.Biol_371_447" /> <Structure class="Structure" value="2HIH" /> <Arpigny_Jaeger class="Arpigny_Jaeger" value="Family