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Movement protein p6 This entry represents the movement protein 6 (p6) from Beet yellows virus and related Closterovirus proteins. Movement proteins (MPs) encoded by many virus genera are specialised proteins essential for plant viral genomes or virions transport within and between cells. P6 is a small protein (6kDa) localised in the endoplasmic reticulum. It has a single-span N-terminal transmembrane domain and a C-terminal hydrophilic domain which faces the cytosol. It is involved, together with Hsp70h, CP, CPm, and P64, in cell to cell movement of the viral genome without any budding, being essential for this process. The mechanism of action of this protein is not clear. It is suggested that it also plays a role in virion formation. |
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