In a video from prior research in 2004, the bacteriophage T4 is preparing to infect its host cell. The structure of bacteriophage T4 is derived from three-dimensional cryo-electron microscopy reconstructions of the baseplate, tail sheath and head capsid, as well as from crystallographic analyses of various phage components. The baseplate and tail proteins are shown in distinct colors.
Credit: Purdue University and Seyet LLC
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