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. 1972 Apr;9(4):664-71.
doi: 10.1128/JVI.9.4.664-671.1972.

Morphology and physical properties of Staphylococcus bacteriophage P11-M15

D T Brown, N C Brown, B T Burlingham

Morphology and physical properties of Staphylococcus bacteriophage P11-M15

D T Brown et al. J Virol. 1972 Apr.

Abstract

The Group B Staphylococcus phage P11-M15 is shown to be 51% protein and 49% deoxyribonucleic acid (DNA). The intact virion has a molecular weight of 66.7 x 10(6) daltons. The purified viral DNA has a molecular weight of 32.7 x 10(6) daltons. The intact virion is shown to be composed of a polyhedral head which is attached at one of its vertices to a flexible tail having helical symmetry. The tail structure is terminated by a complex baseplate which has sixfold symmetry. The virion contains a single molecule of double-stranded DNA which has no apparent single-strand nicks or single-stranded terminal redundancies.

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