Previous Article Next Article Table of Contents Nature, Vol.532, No.7598, ---, 2016 DOI10.1038/nature16523 Export Citation The structure of complement C3b provides insights into complement activation and regulation (Retraction of vol 444, pg 221, 2006) Ajees AA, Gunasekaran K, Volanakis JE, Narayana SVL, Kotwal GJ, Murthy HMK Please enable JavaScript to view the comments powered by Disqus.