7re3

SARS-CoV-2 replication-transcription complex bound to nsp13 helicase - nsp13(2)-RTC dimer

Method: ELECTRON MICROSCOPY Dmax: 262.6 Å Quality: GOOD

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

RNA-directed RNA polymerase

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 × 12 RNA 4 PDB declaration: hexadecameric(16) Consistent with all polymer counts Chain A; UniProt 4393–5324 Chain B; UniProt 3943–4140 Chain C; UniProt 3860–3942 Chain D; UniProt 3943–4140 Chain E; UniProt 5325–5925 Chain F; UniProt 5325–5925 Chain G; UniProt 4393–5324 Chain H; UniProt 3943–4140 Chain I; UniProt 3860–3942 Chain J; UniProt 3943–4140 Chain K; UniProt 5325–5925 Chain L; UniProt 5325–5925 Fragment:UNP residues 4393-5324 Fragment:UNP residues 3943-4140 Fragment:UNP residues 3860-3942 Fragment:UNP residues 5325-5925 Product RNA × 2 Template RNA × 2 ZN ZINC ION × 16 MG MAGNESIUM ION × 6 ADP ADENOSINE-5'-DIPHOSPHATE × 6 AF3 ALUMINUM FLUORIDE × 4 1N7 CHAPSO × 2 ELECTRON MICROSCOPY cryo-EM buffer:pH 8 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.33 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, 4
Chains and sequence ranges Author chain A; PDBConstruct 1–932; UniProt 4393–5324 Author chain G; PDBConstruct 1–932; UniProt 4393–5324 Author chain B; PDBConstruct 2–199; UniProt 3943–4140 Author chain D; PDBConstruct 2–199; UniProt 3943–4140 Author chain H; PDBConstruct 2–199; UniProt 3943–4140 Author chain J; PDBConstruct 2–199; UniProt 3943–4140 Author chain C; PDBConstruct 6–88; UniProt 3860–3942 Author chain I; PDBConstruct 6–88; UniProt 3860–3942 Author chain E; PDBConstruct 5–605; UniProt 5325–5925 Author chain F; PDBConstruct 5–605; UniProt 5325–5925 Author chain K; PDBConstruct 5–605; UniProt 5325–5925 Author chain L; PDBConstruct 5–605; UniProt 5325–5925

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 7re3

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 7re3
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2. Structure Basics 2. Structure Basics

Entry ID entry_id7re3
Deposition date deposition_date2021-07-12
Structure title titleSARS-CoV-2 replication-transcription complex bound to nsp13 helicase - nsp13(2)-RTC dimer
Keywords keywords;RNA-dependent RNA polymerase, viral replication-transcription complex, transcription, viral proteins, REPLICATION-TRANSCRIPTION complex ;; REPLICATION/TRANSCRIPTION
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier70.41
Radius of gyration Rg (electron density) rg_electron69.77
Forward intensity I(0) i05982710000.00
Molecular weight molecular_weight618850.0 kDa
Excluded volume excluded_volume758670 ų
Envelope volume envelope_volume1258200 ų
Hydration-shell volume shell_volume147480 ų
Envelope diameter envelope_diameter234.3
Shell Rg shell_rg71.19
Envelope Rg envelope_rg68.60
Shape Rg shape_rg69.72
Total Rg total_rg69.96
Total atoms total_atoms43154
Residues n_residues5248
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 dmax262.6
Rg (real space) rg_real70.77
Rg uncertainty (real space) rg_real_error2.78
I(0) (real space) i0_real5.9880e+09
I(0) uncertainty (real space) i0_real_error1.4750e+08
Rg (reciprocal space) rg_reciprocal70.15
I(0) (reciprocal space) i0_reciprocal5979000000.0000
Solution quality estimate total_estimate0.8547
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary83.5
Skewness Skewness skewness0.366
Kurtosis Kurtosis kurtosis-0.338
Angular range angular_range— – 0.1100 −1
Current regularization parameter α current_alpha0.0497
Highest regularization parameter α highest_alpha260900000.0000
Real-space data points n_real_points23
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.730; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.986; Smooth: 0.931

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (11)

7. Fold Classification (SCOP + CATH) 8 domains

CATH v4.4 (8 domains)

Domain ID domain_id7re3B01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily3540 — Nsp8 replicase, head domain
Domain ID domain_id7re3D01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily3540 — Nsp8 replicase, head domain
Domain ID domain_id7re3E01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily300 — P-loop containing nucleotide triphosphate hydrolases
Domain ID domain_id7re3F01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily300 — P-loop containing nucleotide triphosphate hydrolases
Domain ID domain_id7re3H01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily3540 — Nsp8 replicase, head domain
Domain ID domain_id7re3J01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily3540 — Nsp8 replicase, head domain
Domain ID domain_id7re3K01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily300 — P-loop containing nucleotide triphosphate hydrolases
Domain ID domain_id7re3L01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily300 — P-loop containing nucleotide triphosphate hydrolases

8. Citations (2)

9. Files and Curves (10)