ID#: 21325
Caption:
This illustration provided a 3-dimensional (3D) graphical representation of a tightly packed, icosahedral poliovirus particle, each consisting of 60-copies of capsid polypeptides, designated as VP1 (viral protein1) (Pink), VP2 (Green), VP3(Purple) and VP4 (not shown). The particle is composed of units of four capsid polypeptides that interact in groups of five, resulting in a viral particle that has 5-fold (pentamer) and 12-fold symmetry. A deep canyon on the capsid surface, surrounds the apex of each pentamer of the virus. The canyon, together with the pentamer apex, are used as the site for capsid binding to cellular receptors.
High Resolution: Click here for hi-resolution image (6.52 MB)
Content Provider(s): CDC/ Sarah Poser
Creation Date: 2014
Photo Credit: Meredith Boyter Newlove, M.S.
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Copyright Restrictions: None - This image is in the public domain and thus free of any copyright restrictions.