3fke | pdb_00003fke

Structure of the Ebola VP35 Interferon Inhibitory Domain

spinqualitylabelsall models 3fke, resolution 1.40Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 3fke is a 2 chain structure with sequence from Ebola virus - Mayinga, Zaire, 1976. The October 2014 RCSB PDB Molecule of the Month feature on Ebola Virus Proteins by David Goodsell is 10.2210/rcsb_pdb/mom_2014_10. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 1.4Å Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function VP35_EBOZM Acsts as a polymerase cofactor in the RNA polymerase transcription and replication complex. Prevents establishment of cellular antiviral state by blocking virus-induced phosphorylation and activation of interferon regulatory factor 3 (IRF3), a transcription factor critical for the induction of interferons alpha and beta. The mechanism by which this blockage occurs remains incompletely defined, a hypothesis suggests that VP35 dsRNA-binding activity prevents activation of IRF3 by sequestering dsRNA. Also inhibits the antiviral effect mediated by the interferon-induced, double-stranded RNA-activated protein kinase EIF2AK2/PKR.

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