PMID: 1202250Dec 1, 1975Paper

Identification of P48 and P54 as components of bacteriophage T4 baseplates

Journal of Virology
P B Berget, H R Warner

Abstract

The involvement of two bacteriophage T4 gene products in the initiation of T4 tail tube and sheath polymerization on mature baseplates has been studied by radioautography of acrylamide gels of various partially completed tail structures. The products of genes 48 and 54 (P48[the nomenclature P48 refers to the protein product of bacteriophage T4 gene 48] and P54), which are known to be required for the synthesis of mature baseplates, have been shown to be structural components of the baseplate. These gene products have molecular weights of 42,000 and 33,000, respectively. The addition of P54 to the baseplate not only permits the polymerization of the core protein, P19, onto the baseplate, but also caused the disappearance of a polypeptide of molecular weight about 15,000 from the supernatant fraction of infected cells. Another gene product, P27, has been identified in the crude extracts of infected cells. This gene product, which is required for the synthesis of baseplate structures, has the same mobility as one of the unidentified structural polypeptides of the baseplate and is therefore probably also a baseplate component.

References

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Dec 1, 1964·Journal of Ultrastructure Research·E KELLENBERGER, E B DELATOUR

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Citations

Mar 11, 2003·Microbiology and Molecular Biology Reviews : MMBR·Eric S MillerWolfgang Rüger
Dec 1, 1976·Bacteriological Reviews·W B Wood, H R Revel
Jul 1, 1986·Applied and Environmental Microbiology·R E Herman, L L McKay
Sep 1, 1983·Journal of Bacteriology·L K AndersonF A Eiserling
May 15, 1978·Virology·P B Berget, J King
Jun 14, 1978·Biochemical and Biophysical Research Communications·T Wagenknecht, V A Bloomfield

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