3ld1 | pdb_00003ld1

Crystal Structure of IBV Nsp2a

spinqualitylabelsall models 3ld1, resolution 2.50Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 3ld1 is a 1 chain structure with sequence from Avian infectious bronchitis virus (strain m41). Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Gene: 1a, 1ab (Avian infectious bronchitis virus (strain M41)) Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function [R1A_IBVM] The papain-like proteinase (PL-PRO) is responsible for the cleavages located at the N-terminus of replicase polyprotein. Activity of PL-PRO is dependent on zinc (By similarity). The main proteinase 3CL-PRO is responsible for the majority of cleavages as it cleaves the C-terminus of replicase polyprotein at 11 sites. Recognizes substrates containing the core sequence [ILMVF]-Q-|-[SGACN]. Inhibited by the substrate-analog Cbz-Val-Asn-Ser-Thr-Leu-Gln-CMK. Also contains an ADP-ribose-1-phosphate (ADRP)-binding function (By similarity). The peptide p16 might be involved in the EGF signaling pathway (By similarity). Nsp7-nsp8 hexadecamer may possibly confer processivity to the polymerase, maybe by binding to dsRNA or by producing primers utilized by the latter (By similarity). Nsp9 is a ssRNA-binding protein (By similarity).

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