1887

Abstract

Summary

Circular dichroism spectra showed that the RNA of southern bean mosaic virus (SBMV) has considerable base pairing and that the protein subunit has a higher proportion of β-structure than of α-helix. A specific feature of the circular dichroism (CD) spectra of SBMV at 230 nm appears to be related to the binding of divalent cations to the virion; Ca affects this CD spectral feature at a lower concentration than does Mg or Sr. The CD spectra are compared with those of turnip rosette virus (TRosV), another member of the SBMV group.

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/content/journal/jgv/10.1099/0022-1317-53-1-193
1981-03-01
2022-01-16
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