6itb | pdb_00006itb

Icosahedral asymmetric unit (iASU) model of the well-refined part of FHV eluted particle

spinqualitylabelsall models 6itb, resolution 4.70Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 6itb is a 3 chain structure with sequence from Fhv. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Gene: alpha (FHV) Activity: Nodavirus endopeptidase, with EC number 3.4.23.44 Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function [CAPSD_FHV] Capsid protein alpha self-assembles to form an icosahedral procapsid with a T=3 symmetry, about 30 nm in diameter, and consisting of 60 capsid proteins trimers. In addition, 240 calcium ions are incorporated per capsid during assembly. The capsid encapsulates the two genomic RNAs. Capsid maturation occurs via autoproteolytic cleavage of capsid protein alpha generating capsid protein beta and the membrane-active peptide gamma. Peptide gamma: membrane-permeabilizing peptide produced by virus maturation, thereby creating the infectious virion. After endocytosis into the host cell, peptide gamma is probably exposed in endosomes, where it permeabilizes the endosomal membrane, facilitating translocation of viral capsid or RNA into the cytoplasm (Probable).

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