3ld1: Difference between revisions

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[[Image:3ld1.jpg|left|200px]]
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{{STRUCTURE_3ld1|  PDB=3ld1  |  SCENE=  }}  
{{STRUCTURE_3ld1|  PDB=3ld1  |  SCENE=  }}  
===Crystal Structure of IBV Nsp2a===
===Crystal Structure of IBV Nsp2a===


==Function==
[[http://www.uniprot.org/uniprot/R1A_IBVM 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).


==About this Structure==
==About this Structure==
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[[Category: Xu, Y.]]
[[Category: Xu, Y.]]
[[Category: Yang, A.]]
[[Category: Yang, A.]]
[[Category: Globular like]]
[[Category: Host cytoplasm]]
[[Category: Host membrane]]
[[Category: Hydrolase]]
[[Category: Membrane]]
[[Category: Metal-binding]]
[[Category: Protease]]
[[Category: Rna-binding]]
[[Category: Thiol protease]]
[[Category: Transmembrane]]
[[Category: Zinc-finger]]