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  • Title: Attachment of tail fibers in bacteriophage T4 assembly. Identification of the baseplate protein to which tail fibers attach.
    Author: Urig MA, Brown SM, Tedesco P, Wood WB.
    Journal: J Mol Biol; 1983 Sep 15; 169(2):427-37. PubMed ID: 6604820.
    Abstract:
    A phage-neutralizing rabbit antiserum collected after immunization with tail-fiberless bacteriophage T4 particles was adsorbed with complete T4 phage. The resulting adsorbed serum inhibited tail fiber attachment in vitro. To identify the antigens against which this inhibitory activity was directed, blocking experiments were carried out with the adsorbed serum. Isolated complete baseplates and mutant-infected-cell extracts lacking known baseplate gene products but containing gene 9 product showed similar high levels of blocking activity. By contrast, both tail-fiberless particles lacking gene 9 product and infected-cell extracts made with gene 9 mutants showed 30-fold to 100-fold lower blocking activity. These results strongly support the conclusion that gene 9 product is the baseplate protein to which tail fibers attach.
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