9ufn

Phage T4 hub in post-tail contraction, pre-genome-release state

spinqualitylabelsall models 9ufn, resolution 3.80Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 9ufn is a 4 chain structure with sequence from Escherichia phage T4. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: Electron Microscopy, Resolution 3.8Å Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function TUBE_BPT4 Structural component of the bacteriophage tail which consists of a contractile sheath, a tube and a baseplate. The central cylindrical segment of the tail consists of a rigid tube, composed of multiple copies of gp19, surrounded by the outer contractile sheath assembled from gp18 subunits. During infection, contraction of the sheath drives the central tube through the host outer membrane, creating a channel for DNA ejection from the capsid into the host cell.

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