Previous Article Next Article Table of Contents Science, Vol.277, No.5326, 648-649, 1997 DOI10.1126/science.277.5326.648 Export Citation Molecular-Biology - Of Topo and Maxwell Dream Pulleyblank DE Keywords:TOPOLOGICALLY KNOTTED DNA;SUPERHELICAL TURNS;TOPOISOMERASE;GYRASE;ENZYME Please enable JavaScript to view the comments powered by Disqus.
