3rnv

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Structure of the autocatalytic cysteine protease domain of potyvirus helper-component proteinaseStructure of the autocatalytic cysteine protease domain of potyvirus helper-component proteinase

Structural highlights

3rnv is a 1 chain structure with sequence from Turnip mosaic virus. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 2Å
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

POLG_TUMVJ Capsid protein: involved in aphid transmission, cell-to-cell and systemis movement, encapsidation of the viral RNA and in the regulation of viral RNA amplification. Nuclear inclusion protein B: a RNA-dependent RNA polymerase that plays an essential role in the virus replication. Helper component proteinase: required for aphid transmission and also has proteolytic activity. Only cleaves a Gly-Gly dipeptide at its own C-terminus. Interacts with virions and aphid stylets. 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. May have RNA-binding activity (By similarity). Cytoplasmic inclusion protein: has helicase activity. It may be involved in replication (By similarity). Both 6K peptides are indispensable for virus replication (By similarity). Nuclear inclusion protein A: has RNA-binding and proteolytic activities.

3rnv, resolution 2.00Å

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OCA