21aw
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Crystal structure of Nicotiana benthamiana importin alpha-Cucumber mosaic virus (strain FNY) suppressor of silencing 2b NLS peptide complex
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Structural highlights
Function2B_CMVFN Multifunctional protein that plays two independent roles: viral suppressor of host RNAi (VSR) and viral inducer of host attractiveness to insect vectors (VIA). Acts as a suppressor of RNA-mediated gene silencing, also known as post-transcriptional gene silencing (PTGS), a mechanism of plant viral defense that limits the accumulation of viral RNAs (PubMed:25380036). May directly interfere with mobile silencing signaling (By similarity). Also inhibits signal transduction by the phytohormone jasmonate, making the infected plant more attractive to aphids, which are the second host to play a role as a dissemination vector. Acts by binding to and inhibiting JAZ degradation in the host (By similarity).[UniProtKB:Q66125][1] References
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This page was last modified 07:17, 8 July 2026.