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A Method for Assessing the Size of a Protein from its Composition: its Use in Evaluating Data on the Size of the Protein Subunits of Plant Virus Particles

G. A. McIntyre

^_* Department of Microbiology, John Curtin School of Medical Research, Australian National University, Canberra, Australia
Division of Mathematical Statistics, Commonwealth Scientific and Industrial Research Organization, Canberra, Australia

A method is described for assessing the possible size of a protein from its amino acid composition. This method is then used to re-examine published data and to estimate the sizes of the proteins in the particles of various plants viruses. Some of the results obtained agree with the published reports, others do not.

Received 10 October 1969; accepted 9 June 1970.