7gdu: Difference between revisions

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'''Unreleased structure'''


The entry 7gdu is ON HOLD  until Paper Publication
==Group deposition SARS-CoV-2 main protease in complex with inhibitors from the COVID Moonshot -- Crystal Structure of SARS-CoV-2 main protease in complex with PET-SGC-a8a902d9-1 (Mpro-x11225)==
 
<StructureSection load='7gdu' size='340' side='right'caption='[[7gdu]], [[Resolution|resolution]] 1.63&Aring;' scene=''>
Authors: Fearon, D., Aimon, A., Aschenbrenner, J.C., Balcomb, B.H., Bertram, F.K.R., Brandao-Neto, J., Dias, A., Douangamath, A., Dunnett, L., Godoy, A.S., Gorrie-Stone, T.J., Koekemoer, L., Krojer, T., Lithgo, R.M., Lukacik, P., Marples, P.G., Mikolajek, H., Nelson, E., Owen, C.D., Powell, A.J., Rangel, V.L., Skyner, R., Strain-Damerell, C.M., Thompson, W., Tomlinson, C.W.E., Wild, C., Walsh, M.A., von Delft, F.
== Structural highlights ==
 
<table><tr><td colspan='2'>[[7gdu]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Severe_acute_respiratory_syndrome_coronavirus_2 Severe acute respiratory syndrome coronavirus 2]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=7GDU OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=7GDU FirstGlance]. <br>
Description: Group deposition SARS-CoV-2 main protease in complex with inhibitors from the COVID Moonshot --Crystal Structure of SARS-CoV-2 main protease in complex with PET-SGC-a8a902d9-1 (Mpro-x11225)
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.63&#8491;</td></tr>
[[Category: Unreleased Structures]]
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=DMS:DIMETHYL+SULFOXIDE'>DMS</scene>, <scene name='pdbligand=N0F:(3R)-3-(4-hydroxypiperidin-1-yl)-N-(4-methylpyridin-3-yl)-3-(thiophen-3-yl)propanamide'>N0F</scene></td></tr>
[[Category: Aimon, A]]
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=7gdu FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=7gdu OCA], [https://pdbe.org/7gdu PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=7gdu RCSB], [https://www.ebi.ac.uk/pdbsum/7gdu PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=7gdu ProSAT]</span></td></tr>
[[Category: Rangel, V.L]]
</table>
[[Category: Lukacik, P]]
== Function ==
[[Category: Balcomb, B.H]]
[https://www.uniprot.org/uniprot/R1AB_SARS2 R1AB_SARS2] Multifunctional protein involved in the transcription and replication of viral RNAs. Contains the proteinases responsible for the cleavages of the polyprotein.[UniProtKB:P0C6X7]  Inhibits host translation by interacting with the 40S ribosomal subunit. The nsp1-40S ribosome complex further induces an endonucleolytic cleavage near the 5'UTR of host mRNAs, targeting them for degradation. Viral mRNAs are not susceptible to nsp1-mediated endonucleolytic RNA cleavage thanks to the presence of a 5'-end leader sequence and are therefore protected from degradation. By suppressing host gene expression, nsp1 facilitates efficient viral gene expression in infected cells and evasion from host immune response.[UniProtKB:P0C6X7]  May play a role in the modulation of host cell survival signaling pathway by interacting with host PHB and PHB2. Indeed, these two proteins play a role in maintaining the functional integrity of the mitochondria and protecting cells from various stresses.[UniProtKB:P0C6X7]  Responsible for the cleavages located at the N-terminus of the replicase polyprotein. In addition, PL-PRO possesses a deubiquitinating/deISGylating activity and processes both 'Lys-48'- and 'Lys-63'-linked polyubiquitin chains from cellular substrates. Participates together with nsp4 in the assembly of virally-induced cytoplasmic double-membrane vesicles necessary for viral replication. Antagonizes innate immune induction of type I interferon by blocking the phosphorylation, dimerization and subsequent nuclear translocation of host IRF3. Prevents also host NF-kappa-B signaling.[UniProtKB:P0C6X7]  Participates in the assembly of virally-induced cytoplasmic double-membrane vesicles necessary for viral replication.[UniProtKB:P0C6X7]  Cleaves the C-terminus of replicase polyprotein at 11 sites. Recognizes substrates containing the core sequence [ILMVF]-Q-|-[SGACN] (PubMed:32198291). Also able to bind an ADP-ribose-1''-phosphate (ADRP).[UniProtKB:P0C6X7]<ref>PMID:32198291</ref>  Plays a role in the initial induction of autophagosomes from host reticulum endoplasmic. Later, limits the expansion of these phagosomes that are no longer able to deliver viral components to lysosomes.[UniProtKB:P0C6X7]  Forms a hexadecamer with nsp8 (8 subunits of each) that may participate in viral replication by acting as a primase. Alternatively, may synthesize substantially longer products than oligonucleotide primers.[UniProtKB:P0C6X7]  Forms a hexadecamer with nsp7 (8 subunits of each) that may participate in viral replication by acting as a primase. Alternatively, may synthesize substantially longer products than oligonucleotide primers.[UniProtKB:P0C6X7]  May participate in viral replication by acting as a ssRNA-binding protein.[UniProtKB:P0C6X7]  Plays a pivotal role in viral transcription by stimulating both nsp14 3'-5' exoribonuclease and nsp16 2'-O-methyltransferase activities. Therefore plays an essential role in viral mRNAs cap methylation.[UniProtKB:P0C6X7]  Responsible for replication and transcription of the viral RNA genome.[UniProtKB:P0C6X7]  Multi-functional protein with a zinc-binding domain in N-terminus displaying RNA and DNA duplex-unwinding activities with 5' to 3' polarity. Activity of helicase is dependent on magnesium.[UniProtKB:P0C6X7]  Enzyme possessing two different activities: an exoribonuclease activity acting on both ssRNA and dsRNA in a 3' to 5' direction and a N7-guanine methyltransferase activity. Acts as a proofreading exoribonuclease for RNA replication, thereby lowering The sensitivity of the virus to RNA mutagens.[UniProtKB:P0C6X7]  Mn(2+)-dependent, uridylate-specific enzyme, which leaves 2'-3'-cyclic phosphates 5' to the cleaved bond.[UniProtKB:P0C6X7]  Methyltransferase that mediates mRNA cap 2'-O-ribose methylation to the 5'-cap structure of viral mRNAs. N7-methyl guanosine cap is a prerequisite for binding of nsp16. Therefore plays an essential role in viral mRNAs cap methylation which is essential to evade immune system.[UniProtKB:P0C6X7]
[[Category: Strain-Damerell, C.M]]
== References ==
[[Category: Lithgo, R.M]]
<references/>
[[Category: Dunnett, L]]
__TOC__
[[Category: Brandao-Neto, J]]
</StructureSection>
[[Category: Godoy, A.S]]
[[Category: Large Structures]]
[[Category: Fearon, D]]
[[Category: Severe acute respiratory syndrome coronavirus 2]]
[[Category: Walsh, M.A]]
[[Category: Aimon A]]
[[Category: Nelson, E]]
[[Category: Aschenbrenner JC]]
[[Category: Thompson, W]]
[[Category: Balcomb BH]]
[[Category: Von Delft, F]]
[[Category: Bertram FKR]]
[[Category: Marples, P.G]]
[[Category: Brandao-Neto J]]
[[Category: Koekemoer, L]]
[[Category: Dias A]]
[[Category: Wild, C]]
[[Category: Douangamath A]]
[[Category: Powell, A.J]]
[[Category: Dunnett L]]
[[Category: Skyner, R]]
[[Category: Fearon D]]
[[Category: Aschenbrenner, J.C]]
[[Category: Godoy AS]]
[[Category: Douangamath, A]]
[[Category: Gorrie-Stone TJ]]
[[Category: Bertram, F.K.R]]
[[Category: Koekemoer L]]
[[Category: Owen, C.D]]
[[Category: Krojer T]]
[[Category: Krojer, T]]
[[Category: Lithgo RM]]
[[Category: Tomlinson, C.W.E]]
[[Category: Lukacik P]]
[[Category: Mikolajek, H]]
[[Category: Marples PG]]
[[Category: Gorrie-Stone, T.J]]
[[Category: Mikolajek H]]
[[Category: Dias, A]]
[[Category: Nelson E]]
[[Category: Owen CD]]
[[Category: Powell AJ]]
[[Category: Rangel VL]]
[[Category: Skyner R]]
[[Category: Strain-Damerell CM]]
[[Category: Thompson W]]
[[Category: Tomlinson CWE]]
[[Category: Walsh MA]]
[[Category: Wild C]]
[[Category: Von Delft F]]

Latest revision as of 14:20, 8 November 2023

Group deposition SARS-CoV-2 main protease in complex with inhibitors from the COVID Moonshot -- Crystal Structure of SARS-CoV-2 main protease in complex with PET-SGC-a8a902d9-1 (Mpro-x11225)Group deposition SARS-CoV-2 main protease in complex with inhibitors from the COVID Moonshot -- Crystal Structure of SARS-CoV-2 main protease in complex with PET-SGC-a8a902d9-1 (Mpro-x11225)

Structural highlights

7gdu is a 1 chain structure with sequence from Severe acute respiratory syndrome coronavirus 2. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 1.63Å
Ligands:,
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

R1AB_SARS2 Multifunctional protein involved in the transcription and replication of viral RNAs. Contains the proteinases responsible for the cleavages of the polyprotein.[UniProtKB:P0C6X7] Inhibits host translation by interacting with the 40S ribosomal subunit. The nsp1-40S ribosome complex further induces an endonucleolytic cleavage near the 5'UTR of host mRNAs, targeting them for degradation. Viral mRNAs are not susceptible to nsp1-mediated endonucleolytic RNA cleavage thanks to the presence of a 5'-end leader sequence and are therefore protected from degradation. By suppressing host gene expression, nsp1 facilitates efficient viral gene expression in infected cells and evasion from host immune response.[UniProtKB:P0C6X7] May play a role in the modulation of host cell survival signaling pathway by interacting with host PHB and PHB2. Indeed, these two proteins play a role in maintaining the functional integrity of the mitochondria and protecting cells from various stresses.[UniProtKB:P0C6X7] Responsible for the cleavages located at the N-terminus of the replicase polyprotein. In addition, PL-PRO possesses a deubiquitinating/deISGylating activity and processes both 'Lys-48'- and 'Lys-63'-linked polyubiquitin chains from cellular substrates. Participates together with nsp4 in the assembly of virally-induced cytoplasmic double-membrane vesicles necessary for viral replication. Antagonizes innate immune induction of type I interferon by blocking the phosphorylation, dimerization and subsequent nuclear translocation of host IRF3. Prevents also host NF-kappa-B signaling.[UniProtKB:P0C6X7] Participates in the assembly of virally-induced cytoplasmic double-membrane vesicles necessary for viral replication.[UniProtKB:P0C6X7] Cleaves the C-terminus of replicase polyprotein at 11 sites. Recognizes substrates containing the core sequence [ILMVF]-Q-|-[SGACN] (PubMed:32198291). Also able to bind an ADP-ribose-1-phosphate (ADRP).[UniProtKB:P0C6X7][1] Plays a role in the initial induction of autophagosomes from host reticulum endoplasmic. Later, limits the expansion of these phagosomes that are no longer able to deliver viral components to lysosomes.[UniProtKB:P0C6X7] Forms a hexadecamer with nsp8 (8 subunits of each) that may participate in viral replication by acting as a primase. Alternatively, may synthesize substantially longer products than oligonucleotide primers.[UniProtKB:P0C6X7] Forms a hexadecamer with nsp7 (8 subunits of each) that may participate in viral replication by acting as a primase. Alternatively, may synthesize substantially longer products than oligonucleotide primers.[UniProtKB:P0C6X7] May participate in viral replication by acting as a ssRNA-binding protein.[UniProtKB:P0C6X7] Plays a pivotal role in viral transcription by stimulating both nsp14 3'-5' exoribonuclease and nsp16 2'-O-methyltransferase activities. Therefore plays an essential role in viral mRNAs cap methylation.[UniProtKB:P0C6X7] Responsible for replication and transcription of the viral RNA genome.[UniProtKB:P0C6X7] Multi-functional protein with a zinc-binding domain in N-terminus displaying RNA and DNA duplex-unwinding activities with 5' to 3' polarity. Activity of helicase is dependent on magnesium.[UniProtKB:P0C6X7] Enzyme possessing two different activities: an exoribonuclease activity acting on both ssRNA and dsRNA in a 3' to 5' direction and a N7-guanine methyltransferase activity. Acts as a proofreading exoribonuclease for RNA replication, thereby lowering The sensitivity of the virus to RNA mutagens.[UniProtKB:P0C6X7] Mn(2+)-dependent, uridylate-specific enzyme, which leaves 2'-3'-cyclic phosphates 5' to the cleaved bond.[UniProtKB:P0C6X7] Methyltransferase that mediates mRNA cap 2'-O-ribose methylation to the 5'-cap structure of viral mRNAs. N7-methyl guanosine cap is a prerequisite for binding of nsp16. Therefore plays an essential role in viral mRNAs cap methylation which is essential to evade immune system.[UniProtKB:P0C6X7]

References

  1. Zhang L, Lin D, Sun X, Curth U, Drosten C, Sauerhering L, Becker S, Rox K, Hilgenfeld R. Crystal structure of SARS-CoV-2 main protease provides a basis for design of improved alpha-ketoamide inhibitors. Science. 2020 Mar 20. pii: science.abb3405. doi: 10.1126/science.abb3405. PMID:32198291 doi:http://dx.doi.org/10.1126/science.abb3405

7gdu, resolution 1.63Å

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OCA