9ryc

Structure of human 1918 influenza A polymerase heterotrimer in complex with WSN NEP.

spinqualitylabelsall models 9ryc, resolution 2.93Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 9ryc is a 4 chain structure with sequence from Influenza A virus (A/Brevig Mission/1/1918(H1N1)). Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: Electron Microscopy, Resolution 2.93Å Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function PA_I18A0 Plays an essential role in viral RNA transcription and replication by forming the heterotrimeric polymerase complex together with PB1 and PB2 subunits. The complex transcribes viral mRNAs by using a unique mechanism called cap-snatching. It consists in the hijacking and cleavage of host capped pre-mRNAs. These short capped RNAs are then used as primers for viral mRNAs. The PB2 subunit is responsible for the binding of the 5' cap of cellular pre-mRNAs which are subsequently cleaved after 10-13 nucleotides by the PA subunit that carries the endonuclease activity.[HAMAP-Rule:MF_04063]

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