Gerald Stubbs
Last active: 2/15/2016

Structure of ribgrass mosaic virus at 2.9 A resolution: evolution and taxonomy of tobamoviruses.

Wang H, Culver JN, Stubbs G
J Mol Biol. 1997 269 (5): 769-79

PMID: 9223640 · DOI:10.1006/jmbi.1997.1048

Ribgrass mosaic virus (RMV) is a member of the tobamovirus group of plant viruses. The structure has been determined at 2.9 A resolution by fiber diffraction methods, and refined by molecular dynamics methods to an R-factor of 0.095. The carboxyl-carboxylate interactions that drive disassembly in tobamoviruses are present in RMV, but are very different from those in other tobamoviruses. RMV has some of the structural features of a subgroup I tobamovirus, a smaller number from subgroup II, and a number that appear to be unique to the RMV cluster of viruses. The structural studies confirm the evolutionary and taxonomic separation of the RMV cluster from both subgroup I and subgroup II tobamoviruses.

MeSH Terms (10)

Amino Acid Sequence Biological Evolution Capsid Models, Molecular Molecular Sequence Data Protein Binding RNA-Binding Proteins Sequence Analysis, DNA Sequence Homology, Amino Acid Tobamovirus

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