8xko

CryoEM structure of compound HNC-1664 bound with RdRP-RNA complex of SARS-CoV-2

Method: ELECTRON MICROSCOPY Dmax: 116.1 Å Quality: GOOD

1. Protein Identity and Related Structures Protein Identity & Related Structures

RNA-directed RNA polymerase nsp12

Severe acute respiratory syndrome coronavirus 2

UniProt P0DTD1

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–RNA Homooligomer Protein × 4 RNA 2 PDB declaration: hexameric(6) Consistent with all polymer counts Chain A; UniProt 4393–5324 Chain B; UniProt 3943–4139 Chain C; UniProt 3860–3942 Chain D; UniProt 3943–4139 Not recorded ;RNA (5'-R(P*CP*UP*AP*CP*GP*CP*GP*UP*AP*GP*CP*AP*UP*G)-3') ; × 1 ;RNA (5'-R(P*UP*UP*CP*AP*UP*GP*CP*UP*AP*CP*GP*CP*GP*UP*AP*G)-3') ; × 1 A1LVZ [[(2~{R},3~{R},4~{S},5~{R})-4-fluoranyl-5-(5-iodanyl-4-methyl-pyrrolo[2,3-d]pyrimidin-7-yl)-3-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate × 1 MG MAGNESIUM ION × 3 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.29 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

3350 other PDB entries and 4324 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name R1AB_SARS2
Isoform
PDB entities 1, 2, 3
Chains and sequence ranges Author chain A; PDBConstruct 3–934; UniProt 4393–5324 Author chain B; PDBConstruct 14–210; UniProt 3943–4139 Author chain D; PDBConstruct 14–210; UniProt 3943–4139 Author chain C; PDBConstruct 1–83; UniProt 3860–3942

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

SAXS scattering curve SAXS Profile

SAXS profile for 8xko

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8xko
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8xko
Deposition date deposition_date2023-12-23
Structure title titleCryoEM structure of compound HNC-1664 bound with RdRP-RNA complex of SARS-CoV-2
Keywords keywordsRNA dependent RNA polymerase, SARS-CoV-2, nucleoside analog, VIRAL PROTEIN, VIRAL PROTEIN-RNA complex; VIRAL PROTEIN/RNA
Experimental Method methodELECTRON MICROSCOPY

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier35.46
Radius of gyration Rg (electron density) rg_electron35.00
Forward intensity I(0) i0725726000.00
Molecular weight molecular_weight142170.0 kDa
Excluded volume excluded_volume135330 ų
Envelope volume envelope_volume236360 ų
Hydration-shell volume shell_volume55017 ų
Envelope diameter envelope_diameter122.9
Shell Rg shell_rg42.13
Envelope Rg envelope_rg35.41
Shape Rg shape_rg35.01
Total Rg total_rg35.32
Total atoms total_atoms10647
Residues n_residues1280
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax116.1
Rg (real space) rg_real35.42
Rg uncertainty (real space) rg_real_error0.80
I(0) (real space) i0_real7.2570e+08
I(0) uncertainty (real space) i0_real_error1.1300e+07
Rg (reciprocal space) rg_reciprocal35.45
I(0) (reciprocal space) i0_reciprocal725700000.0000
Solution quality estimate total_estimate0.8873
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary41.3
Skewness Skewness skewness0.316
Kurtosis Kurtosis kurtosis-0.351
Angular range angular_range— – 0.2250 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha79600000.0000
Real-space data points n_real_points46
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.886; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.874

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (7)

8. Citations (1)

9. Files and Curves (10)