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10.1093/nar/gkz1170 http://scihub22266oqcxt.onion/10.1093/nar/gkz1170 C7026628!7026628 !31863580     free     free     free Deprecated: Implicit conversion from float 217.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 217.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 217.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 217.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 217.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 217.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 217.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 251.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 251.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Warning: imagejpeg(C:\Inetpub\vhosts\kidney.de\httpdocs\phplern\31863580 .jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117       Nucleic+Acids+Res 2020 ; 48 (3 ): 1392-1405 Nephropedia Template TP {{tp|p=31863580 |t=2020. A nucleobase-binding pocket in a viral RNA-dependent RNA polymerase contributes to elongation complex stability |pdf=|usr=}}{{31863580 }} gab.com Text A nucleobase-binding pocket in a viral RNA-dependent RNA polymerase contributes to elongation complex stability JO: Nucleic Acids Res http://www.kidney.de/pget.php?&tw=1&pmid=31863580 #FOAvip The enterovirus 71 (EV71) 3Dpol is an RNA-dependent RNA polymerase (RdRP) that plays the central role in the viral genome replication, and is an important target in antiviral studies. Here, we report a crystal structure of EV71 3Dpol elongation complex (EC) at 1.8 Å resolution. The structure reveals that the 5'-end guanosine of the downstream RNA template interacts with a fingers domain pocket, with the base sandwiched by H44 and R277 side chains through hydrophobic stacking interactions, and these interactions are still maintained after one in-crystal translocation event induced by nucleotide incorporation, implying that the pocket could regulate the functional properties of the polymerase by interacting with RNA. When mutated, residue R277 showed an impact on virus proliferation in virological studies with residue H44 having a synergistic effect. In vitro biochemical data further suggest that mutations at these two sites affect RNA binding, EC stability, but not polymerase catalytic rate (kcat) and apparent NTP affinity (KM,NTP). We propose that, although rarely captured by crystallography, similar surface pocket interaction with nucleobase may commonly exist in nucleic acid motor enzymes to facilitate their processivity. Potential applications in antiviral drug and vaccine development are also discussed. Twit Text FOAVip A nucleobase-binding pocket in a viral RNA-dependent RNA polymerase contributes to elongation complex stability ????Nucleic Acids Res http://www.kidney.de/pget.php?&tw=1&pmid=31863580 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=31863580 #FOAvip English Wikipedia <ref>{{Cite pmid|31863580 }}</ref> A nucleobase-binding pocket in a viral RNA-dependent RNA polymerase contributes to elongation complex stability #MMPMID31863580 Shi W ; Ye HQ ; Deng CL ; Li R ; Zhang B ; Gong P Nucleic Acids Res 2020[Feb]; 48 (3 ): 1392-1405 PMID31863580 show ga The enterovirus 71 (EV71) 3Dpol is an RNA-dependent RNA polymerase (RdRP) that plays the central role in the viral genome replication, and is an important target in antiviral studies. Here, we report a crystal structure of EV71 3Dpol elongation complex (EC) at 1.8 Å resolution. The structure reveals that the 5'-end guanosine of the downstream RNA template interacts with a fingers domain pocket, with the base sandwiched by H44 and R277 side chains through hydrophobic stacking interactions, and these interactions are still maintained after one in-crystal translocation event induced by nucleotide incorporation, implying that the pocket could regulate the functional properties of the polymerase by interacting with RNA. When mutated, residue R277 showed an impact on virus proliferation in virological studies with residue H44 having a synergistic effect. In vitro biochemical data further suggest that mutations at these two sites affect RNA binding, EC stability, but not polymerase catalytic rate (kcat) and apparent NTP affinity (KM,NTP). We propose that, although rarely captured by crystallography, similar surface pocket interaction with nucleobase may commonly exist in nucleic acid motor enzymes to facilitate their processivity. Potential applications in antiviral drug and vaccine development are also discussed. |*Protein Conformation [MESH] |Antiviral Agents/chemistry [MESH] |Binding Sites [MESH] |Crystallography, X-Ray [MESH] |Enterovirus A, Human/chemistry/genetics/*ultrastructure [MESH] |Genome, Viral [MESH] |Humans [MESH] |Models, Molecular [MESH] |Multiprotein Complexes/chemistry/*ultrastructure [MESH] |Nucleotides/chemistry [MESH] |RNA, Viral/chemistry/ultrastructure [MESH] |RNA-Dependent RNA Polymerase/chemistry/*ultrastructure [MESH]A nucleobase-binding pocket in a viral RNA-dependent RNA polymerase co(epmc).pdf DeepDyve Pubget Overpricing