Previous Article Next Article Table of Contents Science, Vol.357, No.6352, 713-+, 2017 DOI10.1126/science.aan7904 Export Citation In situ architecture, function, and evolution of a contractile injection system Bock Desiree, Medeiros Joao M., Tsao Han-Fei, Penz Thomas, Weiss Gregor L., Aistleitner Karin, Horn Matthias, Pilhofer Martin Please enable JavaScript to view the comments powered by Disqus.