3cde

Crystal structure of HCV NS5B polymerase with a novel Pyridazinone inhibitor

Method: X-RAY DIFFRACTION Dmax: 109.0 Å Quality: GOOD

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

RNA-directed RNA polymerase

Hepatitis C virus

UniProt P26663

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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 2420–2989 Fragment:CATALYTIC DOMAIN (UNP RESIDUES 2420-2989) Mutation:R544Q N3H N-{3-[5-hydroxy-2-(3-methylbutyl)-3-oxo-6-thiophen-2-yl-2,3-dihydropyridazin-4-yl]-1,1-dioxido-2H-1,2,4-benzothiadiazin-7-yl}methanesulfonamide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.6;298 K;20% PEG 4K, 50 MM AMMONIUM SULFATE, 100 MM SODIUM ACETATE, 5 MM DTT, transferred to pH 7.6 for soaking, VAPOR DIFFUSION, HANGING DROP, temperature 298K Resolution 2.10 Å R-free 0.228
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 2420–2989 Fragment:CATALYTIC DOMAIN (UNP RESIDUES 2420-2989) Mutation:R544Q N3H N-{3-[5-hydroxy-2-(3-methylbutyl)-3-oxo-6-thiophen-2-yl-2,3-dihydropyridazin-4-yl]-1,1-dioxido-2H-1,2,4-benzothiadiazin-7-yl}methanesulfonamide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.6;298 K;20% PEG 4K, 50 MM AMMONIUM SULFATE, 100 MM SODIUM ACETATE, 5 MM DTT, transferred to pH 7.6 for soaking, VAPOR DIFFUSION, HANGING DROP, temperature 298K Resolution 2.10 Å R-free 0.228

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.

87 other PDB entries and 150 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name POLG_HCVBK
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–570; UniProt 2420–2989 Author chain B; PDBConstruct 1–570; UniProt 2420–2989

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 3cde

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3cde
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3cde
Deposition date deposition_date2008-02-26
Structure title titleCrystal structure of HCV NS5B polymerase with a novel Pyridazinone inhibitor
Keywords keywords;PROTEIN-LIGAND COMPLEX, RNA REPLICATION, RNA-BINDING, RNA-DIRECTED RNA POLYMERASE, ATP-binding, Host-virus interaction, Hydrolase, Metal-binding, Nucleotide-binding, Nucleotidyltransferase, Ribonucleoprotein, Transcription, Transcription regulation, Transferase, Viral nucleoprotein, Virion ;; TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier33.80
Radius of gyration Rg (electron density) rg_electron33.10
Forward intensity I(0) i0244777000.00
Molecular weight molecular_weight124670.0 kDa
Excluded volume excluded_volume155780 ų
Envelope volume envelope_volume194200 ų
Hydration-shell volume shell_volume48421 ų
Envelope diameter envelope_diameter110.8
Shell Rg shell_rg40.48
Envelope Rg envelope_rg32.59
Shape Rg shape_rg33.08
Total Rg total_rg33.69
Total atoms total_atoms8738
Residues n_residues1114
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 dmax109.0
Rg (real space) rg_real33.74
Rg uncertainty (real space) rg_real_error0.81
I(0) (real space) i0_real2.4480e+08
I(0) uncertainty (real space) i0_real_error3.6560e+06
Rg (reciprocal space) rg_reciprocal33.78
I(0) (reciprocal space) i0_reciprocal244800000.0000
Solution quality estimate total_estimate0.8953
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary39.4
Skewness Skewness skewness0.282
Kurtosis Kurtosis kurtosis-0.446
Angular range angular_range— – 0.2350 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha61950000.0000
Real-space data points n_real_points48
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.908; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.998; Smooth: 0.915

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd3cdea_
Class classe — Multi-domain proteins (alpha and beta)
Fold Fold folde.8 — DNA/RNA polymerases
Superfamily Superfamily superfamilye.8.1 — DNA/RNA polymerases
Family Family familye.8.1.4 — RNA-dependent RNA-polymerase
Domain ID domain_idd3cdeb_
Class classe — Multi-domain proteins (alpha and beta)
Fold Fold folde.8 — DNA/RNA polymerases
Superfamily Superfamily superfamilye.8.1 — DNA/RNA polymerases
Family Family familye.8.1.4 — RNA-dependent RNA-polymerase

CATH v4.4 (2 domains)

Domain ID domain_id3cdeA03
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily270 — Reverse transcriptase/Diguanylate cyclase domain
Domain ID domain_id3cdeB03
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily270 — Reverse transcriptase/Diguanylate cyclase domain

8. Citations (1)

9. Files and Curves (10)