Domain organization and polarity of tail needle GP26 in the portal vertex structure of bacteriophage P22.

Abstract excerpt

The attachment of tailed bacteriophages to the host cell wall as well as the penetration and injection of the viral genome into the host is mediated by the virion tail complex. In phage P22, a member of the Podoviridae family that infects Salmonella enterica, the tail contains an approximately 220 A elongated protein needle, previously identified as tail accessory factor gp26. Together with tail factors gp4 and...

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