1887

Abstract

SUMMARY

X-ray diffraction studies of oriented specimens of white clover mosaic virus particles suggest that the particles have a helical structure of pitch 3.25 ± 0.05 nm. The X-ray diffraction patterns indicate that there is an integral, or near integral, number of subunits in four turns of the helix and that the number is 4 + 3. Optical diffraction from micrographs of the virus particles are in agreement with the X-ray results and suggest that the number of subunits in four turns is close to 27.

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/content/journal/jgv/10.1099/0022-1317-39-2-361
1978-05-01
2022-08-13
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