The bacteriophage variant phi29 portal motor can package DNA against a large internal force
Smith, Douglas E.; Tans, Sander J.; Smith, Steven B.; Grimes, Shelley; Anderson, Dwight L; Bustamante, Carlos.
413(6857). 18 October, 2001. 748-752
© 2001 Nature Publishing Group http://www.nature.com/. Reproduced with permission.
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