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- PDB-7k5i: SARS-COV-2 nsp1 in complex with human 40S ribosome -

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Basic information

Entry
Database: PDB / ID: 7k5i
TitleSARS-COV-2 nsp1 in complex with human 40S ribosome
Components
  • (40S ribosomal protein ...) x 32
  • 40S ribosomal rRNA18S
  • 60S ribosomal protein L41
  • Host translation inhibitor nsp1
  • Receptor of activated protein C kinase 1
KeywordsRIBOSOME/VIRAL PROTEIN / nsp1 / 40S / RIBOSOME-VIRAL PROTEIN complex
Function / homology
Function and homology information


negative regulation of endoplasmic reticulum unfolded protein response / oxidized pyrimidine DNA binding / response to TNF agonist / positive regulation of base-excision repair / negative regulation of peptidyl-serine phosphorylation / positive regulation of respiratory burst involved in inflammatory response / positive regulation of intrinsic apoptotic signaling pathway in response to DNA damage / positive regulation of gastrulation / regulation of adenylate cyclase-activating G protein-coupled receptor signaling pathway / protein tyrosine kinase inhibitor activity ...negative regulation of endoplasmic reticulum unfolded protein response / oxidized pyrimidine DNA binding / response to TNF agonist / positive regulation of base-excision repair / negative regulation of peptidyl-serine phosphorylation / positive regulation of respiratory burst involved in inflammatory response / positive regulation of intrinsic apoptotic signaling pathway in response to DNA damage / positive regulation of gastrulation / regulation of adenylate cyclase-activating G protein-coupled receptor signaling pathway / protein tyrosine kinase inhibitor activity / IRE1-RACK1-PP2A complex / positive regulation of endodeoxyribonuclease activity / nucleolus organization / positive regulation of Golgi to plasma membrane protein transport / translation at postsynapse / TNFR1-mediated ceramide production / negative regulation of DNA repair / negative regulation of RNA splicing / mammalian oogenesis stage / supercoiled DNA binding / activation-induced cell death of T cells / neural crest cell differentiation / NF-kappaB complex / oxidized purine DNA binding / cysteine-type endopeptidase activator activity involved in apoptotic process / negative regulation of intrinsic apoptotic signaling pathway in response to hydrogen peroxide / ubiquitin-like protein conjugating enzyme binding / regulation of establishment of cell polarity / translation at presynapse / positive regulation of ubiquitin-protein transferase activity / Formation of the ternary complex, and subsequently, the 43S complex / negative regulation of phagocytosis / erythrocyte homeostasis / rRNA modification in the nucleus and cytosol / cytoplasmic side of rough endoplasmic reticulum membrane / laminin receptor activity / protein kinase A binding / negative regulation of ubiquitin protein ligase activity / pigmentation / Ribosomal scanning and start codon recognition / ion channel inhibitor activity / Translation initiation complex formation / positive regulation of mitochondrial depolarization / positive regulation of T cell receptor signaling pathway / positive regulation of activated T cell proliferation / fibroblast growth factor binding / negative regulation of Wnt signaling pathway / monocyte chemotaxis / negative regulation of translational frameshifting / Protein hydroxylation / BH3 domain binding / TOR signaling / SARS-CoV-1 modulates host translation machinery / regulation of cell division / mTORC1-mediated signalling / T cell proliferation involved in immune response / Peptide chain elongation / iron-sulfur cluster binding / positive regulation of intrinsic apoptotic signaling pathway by p53 class mediator / Selenocysteine synthesis / positive regulation of signal transduction by p53 class mediator / Formation of a pool of free 40S subunits / endonucleolytic cleavage to generate mature 3'-end of SSU-rRNA from (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / ubiquitin ligase inhibitor activity / Eukaryotic Translation Termination / Response of EIF2AK4 (GCN2) to amino acid deficiency / SRP-dependent cotranslational protein targeting to membrane / negative regulation of ubiquitin-dependent protein catabolic process / Viral mRNA Translation / negative regulation of respiratory burst involved in inflammatory response / phagocytic cup / Nonsense Mediated Decay (NMD) independent of the Exon Junction Complex (EJC) / GTP hydrolysis and joining of the 60S ribosomal subunit / L13a-mediated translational silencing of Ceruloplasmin expression / erythrocyte development / Major pathway of rRNA processing in the nucleolus and cytosol / regulation of translational fidelity / endonucleolytic cleavage in ITS1 to separate SSU-rRNA from 5.8S rRNA and LSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / Nonsense Mediated Decay (NMD) enhanced by the Exon Junction Complex (EJC) / Protein methylation / spindle assembly / Nuclear events stimulated by ALK signaling in cancer / ribosomal small subunit export from nucleus / positive regulation of intrinsic apoptotic signaling pathway / rough endoplasmic reticulum / laminin binding / translation regulator activity / Amplification of signal from unattached kinetochores via a MAD2 inhibitory signal / positive regulation of cell cycle / translation initiation factor binding / signaling adaptor activity / gastrulation / Maturation of protein E / Maturation of protein E / MDM2/MDM4 family protein binding / positive regulation of microtubule polymerization / cytosolic ribosome / ER Quality Control Compartment (ERQC) / Mitotic Prometaphase / DNA-(apurinic or apyrimidinic site) endonuclease activity
Similarity search - Function
K homology (KH) domain / 40S ribosomal protein SA / 40S ribosomal protein SA, C-terminal domain / 40S ribosomal protein SA C-terminus / Ubiquitin-like protein FUBI / GMP Synthetase; Chain A, domain 3 / : / Ribosomal protein S26e signature. / Ribosomal protein L41 / Ribosomal protein L41 ...K homology (KH) domain / 40S ribosomal protein SA / 40S ribosomal protein SA, C-terminal domain / 40S ribosomal protein SA C-terminus / Ubiquitin-like protein FUBI / GMP Synthetase; Chain A, domain 3 / : / Ribosomal protein S26e signature. / Ribosomal protein L41 / Ribosomal protein L41 / Ribosomal protein S21e, conserved site / Ribosomal protein S21e signature. / Ribosomal protein S26e / Ribosomal protein S26e superfamily / Ribosomal protein S26e / : / Ribosomal protein S12e signature. / Ribosomal protein S12e / Ribosomal protein S19e, conserved site / Ribosomal protein S19e signature. / Small (40S) ribosomal subunit Asc1/RACK1 / Ribosomal protein S5, eukaryotic/archaeal / Ribosomal protein S21e / Ribosomal protein S21e superfamily / Ribosomal protein S21e / Ribosomal protein S2, eukaryotic / S27a-like superfamily / 40S Ribosomal protein S10 / : / Ribosomal protein S7e signature. / Plectin/S10, N-terminal / Plectin/S10 domain / Ribosomal protein S10, eukaryotic/archaeal / Ribosomal protein S8e subdomain, eukaryotes / Ribosomal protein S25 / S25 ribosomal protein / Ribosomal protein S27a / Ribosomal protein S17e, conserved site / Ribosomal protein S27a / Ribosomal protein S17e signature. / Ribosomal protein S27a / Ribosomal protein S3Ae, conserved site / Ribosomal protein S3Ae signature. / Ribosomal protein S30 / Ribosomal protein S30 / Ribosomal protein S2, eukaryotic/archaeal / 40S ribosomal protein S29/30S ribosomal protein S14 type Z / Ribosomal protein S27e signature. / 40S ribosomal protein S4, C-terminal domain / 40S ribosomal protein S4 C-terminus / Ribosomal protein S4e, N-terminal, conserved site / Ribosomal protein S4e signature. / Ribosomal protein S3, eukaryotic/archaeal / Ribosomal protein S19e / Ribosomal protein S8e, conserved site / Ribosomal protein S19e / Ribosomal protein S8e signature. / Ribosomal_S19e / Ribosomal protein S6, eukaryotic / Ribosomal protein S7e / Ribosomal protein S7e / 40S ribosomal protein S1/3, eukaryotes / Ribosomal protein S19A/S15e / Ribosomal protein S17e / Ribosomal protein S17e-like superfamily / Ribosomal S17 / 40S ribosomal protein S11, N-terminal / Ribosomal_S17 N-terminal / : / Ribosomal S24e conserved site / Ribosomal protein S24e signature. / Ribosomal protein S4e, N-terminal / RS4NT (NUC023) domain / Ribosomal protein S4, KOW domain / Ribosomal protein S4e / Ribosomal protein S4e, central region / Ribosomal protein S4e, central domain superfamily / Ribosomal family S4e / Ribosomal protein S23, eukaryotic/archaeal / Ribosomal protein S6/S6e/A/B/2, conserved site / Ribosomal protein S6e signature. / Ribosomal protein S24e / Ribosomal protein S24e / Ribosomal protein S27 / Ribosomal protein S27, zinc-binding domain superfamily / Ribosomal protein S27 / Ribosomal protein S17, archaeal/eukaryotic / Ribosomal protein S8e / Ribosomal protein S3Ae / Ribosomal S3Ae family / Ribosomal S3Ae family / Ribosomal protein S28e conserved site / Ribosomal protein S28e signature. / Ribosomal protein S28e / Ribosomal protein S28e / Ribosomal protein S6e / Ribosomal protein S6e / Ribosomal protein S5/S7, eukaryotic/archaeal / Ribosomal protein S6e / Ribosomal protein S13/S15, N-terminal
Similarity search - Domain/homology
: / RNA / RNA (> 10) / RNA (> 100) / RNA (> 1000) / Small ribosomal subunit protein eS17 / Small ribosomal subunit protein uS2 / Replicase polyprotein 1ab / Small ribosomal subunit protein uS5 / Small ribosomal subunit protein uS3 ...: / RNA / RNA (> 10) / RNA (> 100) / RNA (> 1000) / Small ribosomal subunit protein eS17 / Small ribosomal subunit protein uS2 / Replicase polyprotein 1ab / Small ribosomal subunit protein uS5 / Small ribosomal subunit protein uS3 / Small ribosomal subunit protein eS12 / Small ribosomal subunit protein eS19 / Small ribosomal subunit protein eS27 / Small ribosomal subunit protein uS4 / Small ribosomal subunit protein uS7 / Small ribosomal subunit protein eS10 / Small ribosomal subunit protein uS10 / Small ribosomal subunit protein eS1 / Small ribosomal subunit protein eS7 / Small ribosomal subunit protein eS8 / Small ribosomal subunit protein uS8 / Small ribosomal subunit protein uS9 / Small ribosomal subunit protein uS11 / Small ribosomal subunit protein uS12 / Small ribosomal subunit protein uS13 / Small ribosomal subunit protein uS14 / Small ribosomal subunit protein uS15 / Small ribosomal subunit protein uS17 / Small ribosomal subunit protein eS4, X isoform / Small ribosomal subunit protein eS6 / Small ribosomal subunit protein uS19 / Small ribosomal subunit protein eS24 / Small ribosomal subunit protein eS25 / Small ribosomal subunit protein eS26 / Small ribosomal subunit protein eS28 / Ubiquitin-like FUBI-ribosomal protein eS30 fusion protein / Small ribosomal subunit protein eS32 / Ubiquitin-ribosomal protein eS31 fusion protein / Small ribosomal subunit protein eS21 / Small ribosomal subunit protein RACK1 / Ubiquitin-ribosomal protein eS31 fusion protein
Similarity search - Component
Biological speciesSevere acute respiratory syndrome coronavirus 2
Homo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 2.9 Å
AuthorsWang, L. / Shi, M. / Wu, H.
CitationJournal: bioRxiv / Year: 2020
Title: SARS-CoV-2 Nsp1 suppresses host but not viral translation through a bipartite mechanism.
Authors: Ming Shi / Longfei Wang / Pietro Fontana / Setu Vora / Ying Zhang / Tian-Min Fu / Judy Lieberman / Hao Wu /
Abstract: The Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) is a highly contagious virus that underlies the current COVID-19 pandemic. SARS-CoV-2 is thought to disable various features of host ...The Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) is a highly contagious virus that underlies the current COVID-19 pandemic. SARS-CoV-2 is thought to disable various features of host immunity and cellular defense. The SARS-CoV-2 nonstructural protein 1 (Nsp1) is known to inhibit host protein translation and could be a target for antiviral therapy against COVID-19. However, how SARS-CoV-2 circumvents this translational blockage for the production of its own proteins is an open question. Here, we report a bipartite mechanism of SARS-CoV-2 Nsp1 which operates by: (1) hijacking the host ribosome via direct interaction of its C-terminal domain (CT) with the 40S ribosomal subunit and (2) specifically lifting this inhibition for SARS-CoV-2 via a direct interaction of its N-terminal domain (NT) with the 5' untranslated region (5' UTR) of SARS-CoV-2 mRNA. We show that while Nsp1-CT is sufficient for binding to 40S and inhibition of host protein translation, the 5' UTR of SARS-CoV-2 mRNA removes this inhibition by binding to Nsp1-NT, suggesting that the Nsp1-NT-UTR interaction is incompatible with the Nsp1-CT-40S interaction. Indeed, lengthening the linker between Nsp1-NT and Nsp1-CT of Nsp1 progressively reduced the ability of SARS-CoV-2 5' UTR to escape the translational inhibition, supporting that the incompatibility is likely steric in nature. The short SL1 region of the 5' UTR is required for viral mRNA translation in the presence of Nsp1. Thus, our data provide a comprehensive view on how Nsp1 switches infected cells from host mRNA translation to SARS-CoV-2 mRNA translation, and that Nsp1 and 5' UTR may be targeted for anti-COVID-19 therapeutics.
History
DepositionSep 16, 2020Deposition site: RCSB / Processing site: RCSB
Revision 1.0Oct 14, 2020Provider: repository / Type: Initial release
Revision 1.1Jan 27, 2021Group: Structure summary / Category: entity / entity_name_com / Item: _entity.pdbx_description / _entity_name_com.name
Revision 2.0Mar 17, 2021Group: Advisory / Atomic model ...Advisory / Atomic model / Data collection / Derived calculations / Refinement description / Source and taxonomy / Structure summary
Category: atom_site / database_PDB_caveat ...atom_site / database_PDB_caveat / em_entity_assembly / em_entity_assembly_recombinant / em_software / entity / entity_name_com / entity_src_gen / entity_src_nat / ndb_struct_na_base_pair / ndb_struct_na_base_pair_step / pdbx_nonpoly_scheme / pdbx_poly_seq_scheme / pdbx_struct_assembly_prop / pdbx_struct_conn_angle / pdbx_struct_sheet_hbond / pdbx_unobs_or_zero_occ_residues / pdbx_validate_chiral / pdbx_validate_close_contact / pdbx_validate_main_chain_plane / pdbx_validate_peptide_omega / pdbx_validate_rmsd_angle / pdbx_validate_rmsd_bond / pdbx_validate_torsion / refine_ls_restr / software / struct_conf / struct_conn / struct_mon_prot_cis / struct_sheet / struct_sheet_order / struct_sheet_range
Item: _em_entity_assembly.source / _em_entity_assembly.type ..._em_entity_assembly.source / _em_entity_assembly.type / _em_software.category / _em_software.fitting_id / _em_software.imaging_id / _entity.src_method / _entity_name_com.name / _pdbx_nonpoly_scheme.auth_seq_num / _pdbx_poly_seq_scheme.auth_mon_id / _pdbx_poly_seq_scheme.auth_seq_num / _pdbx_poly_seq_scheme.pdb_mon_id
Description: Atomic clashes / Provider: author / Type: Coordinate replacement
Revision 2.1Oct 9, 2024Group: Data collection / Database references / Structure summary
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / citation / database_2 / em_admin / pdbx_entry_details / pdbx_modification_feature
Item: _citation.journal_id_ISSN / _database_2.pdbx_DOI ..._citation.journal_id_ISSN / _database_2.pdbx_DOI / _database_2.pdbx_database_accession / _em_admin.last_update / _pdbx_entry_details.has_protein_modification

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Structure visualization

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Structure viewerMolecule:
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Assembly

Deposited unit
R: 40S ribosomal protein S17
2: 40S ribosomal rRNA18S
d: 40S ribosomal protein S29
D: 40S ribosomal protein S3
F: 40S ribosomal protein S5
K: 40S ribosomal protein S10
M: 40S ribosomal protein S12
P: 40S ribosomal protein S15
Q: 40S ribosomal protein S16
S: 40S ribosomal protein S18
T: 40S ribosomal protein S19
U: 40S ribosomal protein S20
Z: 40S ribosomal protein S25
c: 40S ribosomal protein S28
f: 40S ribosomal protein S27a
g: Receptor of activated protein C kinase 1
A: 40S ribosomal protein SA
B: 40S ribosomal protein S3a
C: 40S ribosomal protein S2
E: 40S ribosomal protein S4, X isoform
G: 40S ribosomal protein S6
H: 40S ribosomal protein S7
I: 40S ribosomal protein S8
J: 40S ribosomal protein S9
L: 40S ribosomal protein S11
N: 40S ribosomal protein S13
O: 40S ribosomal protein S14
V: 40S ribosomal protein S21
W: 40S ribosomal protein S15a
X: 40S ribosomal protein S23
Y: 40S ribosomal protein S24
a: 40S ribosomal protein S26
b: 40S ribosomal protein S27
e: 40S ribosomal protein S30
h: 60S ribosomal protein L41
1: Host translation inhibitor nsp1
hetero molecules


Theoretical massNumber of molelcules
Total (without water)1,242,94440
Polymers1,242,72436
Non-polymers2214
Water00
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: gel filtration
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

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40S ribosomal protein ... , 32 types, 32 molecules RdDFKMPQSTUZcfABCEGHIJLNOVWXYabe

#1: Protein 40S ribosomal protein S17 / Small ribosomal subunit protein eS17


Mass: 15578.156 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P08708
#3: Protein 40S ribosomal protein S29 / Small ribosomal subunit protein uS14


Mass: 6690.821 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P62273
#4: Protein 40S ribosomal protein S3 / Small ribosomal subunit protein uS3


Mass: 26729.369 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human)
References: UniProt: P23396, DNA-(apurinic or apyrimidinic site) lyase
#5: Protein 40S ribosomal protein S5 / Small ribosomal subunit protein uS7


Mass: 22913.453 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P46782
#6: Protein 40S ribosomal protein S10 / Small ribosomal subunit protein eS10


Mass: 18933.846 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P46783
#7: Protein 40S ribosomal protein S12 / Small ribosomal subunit protein eS12


Mass: 14538.987 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P25398
#8: Protein 40S ribosomal protein S15 / RIG protein / Small ribosomal subunit protein uS19


Mass: 17076.207 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P62841
#9: Protein 40S ribosomal protein S16 / Small ribosomal subunit protein uS9


Mass: 16477.377 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P62249
#10: Protein 40S ribosomal protein S18 / Ke-3 / Ke3 / Small ribosomal subunit protein uS13


Mass: 17759.777 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P62269
#11: Protein 40S ribosomal protein S19 / Small ribosomal subunit protein eS19


Mass: 16091.562 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P39019
#12: Protein 40S ribosomal protein S20 / Small ribosomal subunit protein uS10


Mass: 13398.763 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P60866
#13: Protein 40S ribosomal protein S25 / Small ribosomal subunit protein eS25


Mass: 13776.224 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P62851
#14: Protein 40S ribosomal protein S28 / Small ribosomal subunit protein eS28


Mass: 7855.052 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P62857
#15: Protein 40S ribosomal protein S27a / Ubiquitin carboxyl extension protein 80 / Ubiquitin-40S ribosomal protein S27a


Mass: 17083.053 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: Q5RKT7, UniProt: P62979*PLUS
#17: Protein 40S ribosomal protein SA / 37 kDa laminin receptor precursor / 37LRP / 37/67 kDa laminin receptor / LRP/LR / 67 kDa laminin ...37 kDa laminin receptor precursor / 37LRP / 37/67 kDa laminin receptor / LRP/LR / 67 kDa laminin receptor / 67LR / Colon carcinoma laminin-binding protein / Laminin receptor 1 / LamR / Laminin-binding protein precursor p40 / LBP/p40 / Multidrug resistance-associated protein MGr1-Ag / NEM/1CHD4 / Small ribosomal subunit protein uS2


Mass: 32883.938 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P08865
#18: Protein 40S ribosomal protein S3a / Small ribosomal subunit protein eS1 / v-fos transformation effector protein / Fte-1


Mass: 30002.061 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P61247
#19: Protein 40S ribosomal protein S2 / 40S ribosomal protein S4 / Protein LLRep3 / Small ribosomal subunit protein uS5


Mass: 31376.516 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P15880
#20: Protein 40S ribosomal protein S4, X isoform / SCR10 / Single copy abundant mRNA protein / Small ribosomal subunit protein eS4


Mass: 29654.869 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P62701
#21: Protein 40S ribosomal protein S6 / Phosphoprotein NP33 / Small ribosomal subunit protein eS6


Mass: 28751.906 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P62753
#22: Protein 40S ribosomal protein S7 / Small ribosomal subunit protein eS7


Mass: 22168.914 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P62081
#23: Protein 40S ribosomal protein S8 / Small ribosomal subunit protein eS8


Mass: 24263.387 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P62241
#24: Protein 40S ribosomal protein S9 / Small ribosomal subunit protein uS4


Mass: 22641.564 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P46781
#25: Protein 40S ribosomal protein S11 / Small ribosomal subunit protein uS17


Mass: 18468.826 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P62280
#26: Protein 40S ribosomal protein S13 / Small ribosomal subunit protein uS15


Mass: 17259.389 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P62277
#27: Protein 40S ribosomal protein S14 / Small ribosomal subunit protein uS11


Mass: 16302.772 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P62263
#28: Protein 40S ribosomal protein S21 / Small ribosomal subunit protein eS21


Mass: 9124.389 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P63220
#29: Protein 40S ribosomal protein S15a / Small ribosomal subunit protein uS8


Mass: 14865.555 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P62244
#30: Protein 40S ribosomal protein S23 / Small ribosomal subunit protein uS12


Mass: 15844.666 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P62266
#31: Protein 40S ribosomal protein S24 / Small ribosomal subunit protein eS24


Mass: 15463.333 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P62847
#32: Protein 40S ribosomal protein S26 / Small ribosomal subunit protein eS26


Mass: 11776.989 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P62854
#33: Protein 40S ribosomal protein S27 / Metallopan-stimulin 1 / MPS-1 / Small ribosomal subunit protein eS27


Mass: 9480.186 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P42677
#34: Protein 40S ribosomal protein S30 / Small ribosomal subunit protein eS30


Mass: 6668.938 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P62861

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Protein , 2 types, 2 molecules g1

#16: Protein Receptor of activated protein C kinase 1 / Cell proliferation-inducing gene 21 protein / Guanine nucleotide-binding protein subunit beta-2- ...Cell proliferation-inducing gene 21 protein / Guanine nucleotide-binding protein subunit beta-2-like 1 / Guanine nucleotide-binding protein subunit beta-like protein 12.3 / Human lung cancer oncogene 7 protein / HLC-7 / Receptor for activated C kinase / Small ribosomal subunit protein RACK1


Mass: 35115.652 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P63244
#36: Protein Host translation inhibitor nsp1 / Leader protein / Non-structural protein 1 / nsp1


Mass: 19801.287 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Severe acute respiratory syndrome coronavirus 2
Production host: Escherichia coli BL21 (bacteria) / References: UniProt: P0DTD1

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RNA chain / Protein/peptide , 2 types, 2 molecules 2h

#2: RNA chain 40S ribosomal rRNA18S


Mass: 602432.625 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: GenBank: 337376
#35: Protein/peptide 60S ribosomal protein L41 / HG12 / Large ribosomal subunit protein eL41


Mass: 3473.451 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P62945

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Non-polymers , 2 types, 4 molecules

#37: Chemical ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Mg
#38: Chemical ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: Zn

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Details

Has ligand of interestN
Has protein modificationY

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Experimental details

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Experiment

ExperimentMethod: ELECTRON MICROSCOPY
EM experimentAggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction

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Sample preparation

Component
IDNameTypeEntity IDParent-IDSource
1complex of SARS-CoV-2 Nsp1 and human 40S ribosomeCOMPLEX#1-#2, #4-#14, #16-#31, #33-#360MULTIPLE SOURCES
2human 40S ribosomeCOMPLEX#1-#2, #4-#14, #16-#31, #33-#351NATURAL
3SARS-CoV-2 Nsp1COMPLEX#361RECOMBINANT
Source (natural)
IDEntity assembly-IDOrganismNcbi tax-ID
12Homo sapiens (human)9606
23Severe acute respiratory syndrome coronavirus 22697049
Source (recombinant)Organism: Escherichia coli BL21 (bacteria)
Buffer solutionpH: 7.4
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationCryogen name: ETHANE

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: FEI TITAN KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: SPOT SCAN
Electron lensMode: BRIGHT FIELD
Image recordingElectron dose: 50 e/Å2 / Film or detector model: GATAN K3 (6k x 4k)

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Processing

SoftwareName: PHENIX / Version: 1.19_4092: / Classification: refinement
CTF correctionType: NONE
3D reconstructionResolution: 2.9 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 794651 / Symmetry type: POINT
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.00479399
ELECTRON MICROSCOPYf_angle_d0.614115134
ELECTRON MICROSCOPYf_dihedral_angle_d15.31425375
ELECTRON MICROSCOPYf_chiral_restr0.0414211
ELECTRON MICROSCOPYf_plane_restr0.0058425

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