6z0o

Structure of Affimer-NP bound to Crimean-Congo Haemorrhagic Fever Virus Nucleocapsid Protein

spinqualitylabelsall models 6z0o, resolution 2.60Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 6z0o is a 4 chain structure with sequence from Crimean-Congo hemorrhagic fever orthonairovirus and Synthetic construct. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 2.5974Å Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function Q70UR4_9VIRU Publication Abstract from PubMed Crimean-Congo hemorrhagic fever orthonairovirus (CCHFV) is one of the most widespread medically important arboviruses, causing human infections that result in mortality rates of up to 60%. We describe the selection of a high-affinity small protein (Affimer-NP) that binds specifically to the nucleoprotein (NP) of CCHFV. We demonstrate the interference of Affimer-NP in the RNA-binding function of CCHFV NP using fluorescence anisotropy, and its inhibitory effects on CCHFV gene expression in mammalian cells using a mini-genome system. Solution of the crystallographic structure of the complex formed by these two molecules at 2.84 A resolution revealed the structural basis for this interference, with the Affimer-NP binding site positioned at the critical NP oligomerization interface. Finally, we validate the in vitro application of Affimer-NP for the development of enzyme-linked immunosorbent and lateral flow assays, presenting the first published point-of-care format test able to detect recombinant CCHFV NP in spiked human and animal sera. Characterization and applications of a Crimean-Congo hemorrhagic fever virus nucleoprotein-specific Affimer: Inhibitory effects in viral replication and development of colorimetric diagnostic tests.,Alvarez-Rodriguez B, Tiede C, Hoste ACR, Surtees RA, Trinh CH, Slack GS, Chamberlain J, Hewson R, Fresco A, Sastre P, Tomlinson DC, Millner PA, Edwards TA, Barr JN PLoS Negl Trop Dis. 2020 Jun 3;14(6):e0008364. doi: 10.1371/journal.pntd.0008364., eCollection 2020 Jun. PMID:32492018 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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