Cartoon representation of the entire bacteriophage MS2 protein capsid (pdb id 1AQ3). The three quasi-equivalent conformers in the structure are labelled blue (chain a), green (chain b) and magenta (chain c). The view is approximately down an icosahedral 5-fold symmetry axis
<a href="//commons.wikimedia.org/wiki/User:Naranson" title="User:Naranson">Naranson</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>