7b3b

Structure of elongating SARS-CoV-2 RNA-dependent RNA polymerase with Remdesivir at position -3 (structure 1)

Method: ELECTRON MICROSCOPY Dmax: 96.8 Å Quality: EXCELLENT

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 × 3 RNA 2 PDB declaration: pentameric(5) Consistent with all polymer counts Chain A; UniProt 4393–5324 Chain B; UniProt 3943–4140 Chain C; UniProt 3860–3942 Not recorded ;DNA/RNA (5'-R(P*CP*UP*AP*CP*GP*CP*G)-D(P*(RMP))-R(P*UP*G)-3') ; × 1 ;RNA (5'-R(P*UP*GP*CP*AP*UP*CP*GP*CP*GP*UP*AP*G)-3') ; × 1 ZN ZINC ION × 2 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.10 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 4–935; UniProt 4393–5324 Author chain B; PDBConstruct 4–201; UniProt 3943–4140 Author chain C; PDBConstruct 4–86; 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 7b3b

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 7b3b
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2. Structure Basics 2. Structure Basics

Entry ID entry_id7b3b
Deposition date deposition_date2020-11-30
Structure title titleStructure of elongating SARS-CoV-2 RNA-dependent RNA polymerase with Remdesivir at position -3 (structure 1)
Keywords keywordsSARS-CoV-2, Polymerase, Transcription, Replication, RNA, Remdesivir, Inhibition, Nucleotide Analogue, VIRAL PROTEIN; VIRAL PROTEIN
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier31.21
Radius of gyration Rg (electron density) rg_electron30.42
Forward intensity I(0) i0241819000.00
Molecular weight molecular_weight120100.0 kDa
Excluded volume excluded_volume148290 ų
Envelope volume envelope_volume183850 ų
Hydration-shell volume shell_volume48254 ų
Envelope diameter envelope_diameter105.6
Shell Rg shell_rg39.27
Envelope Rg envelope_rg30.38
Shape Rg shape_rg30.43
Total Rg total_rg31.07
Total atoms total_atoms8407
Residues n_residues1012
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 dmax96.8
Rg (real space) rg_real31.02
Rg uncertainty (real space) rg_real_error0.49
I(0) (real space) i0_real2.4180e+08
I(0) uncertainty (real space) i0_real_error3.2480e+06
Rg (reciprocal space) rg_reciprocal31.10
I(0) (reciprocal space) i0_reciprocal241800000.0000
Solution quality estimate total_estimate0.9019
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary94.9
Skewness Skewness skewness0.144
Kurtosis Kurtosis kurtosis-0.508
Angular range angular_range— – 0.2550 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha56230000.0000
Real-space data points n_real_points52
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.925; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.991; Smooth: 0.953

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

8. Citations (1)

9. Files and Curves (10)