Capsid protein self-assembles to form an icosahedral capsid with a T=3 symmetry, about 31-34 nm in diameter, and consisting of 180 capsid proteins. Plays an essential role in virion formation by interacting, via its N-terminal region, with the bipartite viral RNA genome and specifically with the 3' terminus of RNA-1 and the TA element on RNA-2. Participates also in symptom development, viral RNA accumulation and systemic movement within the host.

Belongs to the icosahedral plant coat protein family.

339 amino acids

MSSKAPKKSKQRSQPRNRTPNTSVKTVAIPFAKTQIIKTVNPPPKPARGILHTQLVMSVVGSVQMRTNNGKSNQRFRLNPSNPALFPTLAYEAANYDMYRLKKLTLRYVPLVTVQNSGRVAMIWDPDSQDSAPQSRQEISAYSRSVSTAVYEKCSLTIPADNQWRFVADNTTVDRKLVDFGQLLFVTHSGSDGIETGDIFLDCEVEFKGPQPTASIVQKTVIDLGGTLTSFEGPSYLMPPDAFITSSSFGLFVDVAGTYLLTLVVTCSTTGSVTVGGNSTLVGDGRAAYGSSNYIASIVFTSSGVLSTTPSVQFSGSSGVSRVQMNICRCKQGNTFILG

36.6 kDa

(Note: Representative image - actual molecular weight may vary depending on tag type and expression method)

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