2o5d

Thiazolone-acylsulfonamides as novel HCV NS5B polymerase allosteric inhibitors: Convergence of structure-based drug design and X-ray crystallographic study

Method: X-RAY DIFFRACTION Dmax: 130.4 Å Quality: GOOD

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

HCV

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 2422–2989 Fragment:HCV NS5B VR1 (2S)-2-({(5Z)-5-[(5-ETHYL-2-FURYL)METHYLENE]-4-OXO-4,5-DIHYDRO-1,3-THIAZOL-2-YL}AMINO)-2-(4-FLUOROPHENYL)-N-[(4-NITROPHENYL)SULFONYL]ACETAMIDE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:EVAPORATION;pH 5;295 K;20% PEG 4000, 5 mM DTT, 0.5M MES, 1.0 M NaCl, MICRO BATCH,, pH 5.0, EVAPORATION, temperature 295K Resolution 2.20 Å R-free 0.250
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 2422–2989 Fragment:HCV NS5B VR1 (2S)-2-({(5Z)-5-[(5-ETHYL-2-FURYL)METHYLENE]-4-OXO-4,5-DIHYDRO-1,3-THIAZOL-2-YL}AMINO)-2-(4-FLUOROPHENYL)-N-[(4-NITROPHENYL)SULFONYL]ACETAMIDE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:EVAPORATION;pH 5;295 K;20% PEG 4000, 5 mM DTT, 0.5M MES, 1.0 M NaCl, MICRO BATCH,, pH 5.0, EVAPORATION, temperature 295K Resolution 2.20 Å R-free 0.250

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 9–576; UniProt 2422–2989 Author chain B; PDBConstruct 9–576; UniProt 2422–2989

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 2o5d

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2o5d
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2o5d
Deposition date deposition_date2006-12-05
Structure title titleThiazolone-acylsulfonamides as novel HCV NS5B polymerase allosteric inhibitors: Convergence of structure-based drug design and X-ray crystallographic study
Keywords keywords;HCV, NS5B, Viral RNA-directed RNA polymerase, RdRP, allosteric inhibitor, HCV inhibitor complex, structure-based drug design, viral protein ;; VIRAL PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier38.04
Radius of gyration Rg (electron density) rg_electron38.49
Forward intensity I(0) i0242494000.00
Molecular weight molecular_weight125410.0 kDa
Excluded volume excluded_volume156660 ų
Envelope volume envelope_volume197920 ų
Hydration-shell volume shell_volume45165 ų
Envelope diameter envelope_diameter141.5
Shell Rg shell_rg41.73
Envelope Rg envelope_rg38.37
Shape Rg shape_rg38.51
Total Rg total_rg38.63
Total atoms total_atoms8797
Residues n_residues1120
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 dmax130.4
Rg (real space) rg_real38.49
Rg uncertainty (real space) rg_real_error1.21
I(0) (real space) i0_real2.4250e+08
I(0) uncertainty (real space) i0_real_error4.1280e+06
Rg (reciprocal space) rg_reciprocal38.22
I(0) (reciprocal space) i0_reciprocal242400000.0000
Solution quality estimate total_estimate0.8056
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary37.3
Skewness Skewness skewness0.598
Kurtosis Kurtosis kurtosis-0.225
Angular range angular_range— – 0.2100 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha37990000.0000
Real-space data points n_real_points43
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.692; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.892; Smooth: 0.502

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd2o5da2
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_idd2o5da3
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd2o5db2
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_idd2o5db3
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

CATH v4.4 (2 domains)

Domain ID domain_id2o5dA03
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_id2o5dB03
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)