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. Author manuscript; available in PMC: 2013 Dec 4.
Published in final edited form as: Virology. 2013 Jun 12;443(1):28–39. doi: 10.1016/j.virol.2013.04.019

Fig. 11.

Fig. 11

DNA revolves and transports through 30° tilted connector subunits facilitated by anti-parallel helices between dsDNA helix and connector protein subunits. The anti-parallel configuration can be visualized in an external view (A) in which DNA revolves through the connector making contacts at every 30° subunit (B,C). A planar view is suggested (D) in which DNA is advanced and travels along the circular wall of the connector channel with no torsion or coiling force, through the connector channel, touching each subunit translating to 12 discrete steps of 30° revolving turns for each step.