3rvb

The structure of HCV NS3 helicase (Heli-80) bound with inhibitor ITMN-3479

Method: X-RAY DIFFRACTION Dmax: 74.0 Å Quality: EXCELLENT

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

RNA helicase

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 homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 1186–1658 Fragment:UNP residues 1186-1658 I79 {1-[(5-chloro-2-methyl-1-benzothiophen-3-yl)methyl]-6-(3,5-diaminophenyl)-1H-indol-3-yl}acetic acid × 2 MG MAGNESIUM ION × 4 CL CHLORIDE ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7;296 K;0.6-1.0M Sodium citrate tribasic, 175-250mM NaCl, 100mM Tris pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 296K Resolution 2.20 Å R-free 0.287

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 151 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 16–488; UniProt 1186–1658

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 3rvb

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id3rvb
Deposition date deposition_date2011-05-06
Structure title titleThe structure of HCV NS3 helicase (Heli-80) bound with inhibitor ITMN-3479
Keywords keywordsHelicase, ATP hydrolysis, HYDROLASE-HYDROLASE INHIBITOR complex; HYDROLASE/HYDROLASE INHIBITOR
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier25.10
Radius of gyration Rg (electron density) rg_electron24.23
Forward intensity I(0) i038821000.00
Molecular weight molecular_weight48010.0 kDa
Excluded volume excluded_volume60005 ų
Envelope volume envelope_volume73221 ų
Hydration-shell volume shell_volume25356 ų
Envelope diameter envelope_diameter74.8
Shell Rg shell_rg31.34
Envelope Rg envelope_rg23.99
Shape Rg shape_rg24.24
Total Rg total_rg25.04
Total atoms total_atoms3372
Residues n_residues443
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 dmax74.0
Rg (real space) rg_real24.99
Rg uncertainty (real space) rg_real_error0.49
I(0) (real space) i0_real3.8820e+07
I(0) uncertainty (real space) i0_real_error5.0450e+05
Rg (reciprocal space) rg_reciprocal25.03
I(0) (reciprocal space) i0_reciprocal38820000.0000
Solution quality estimate total_estimate0.9166
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary25.8
Skewness Skewness skewness0.107
Kurtosis Kurtosis kurtosis-0.717
Angular range angular_range— – 0.3150 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha10520000.0000
Real-space data points n_real_points64
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.982; Stabil: 0.998; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.972

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 5 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd3rvba1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.37 — P-loop containing nucleoside triphosphate hydrolases
Superfamily Superfamily superfamilyc.37.1 — P-loop containing nucleoside triphosphate hydrolases
Family Family familyc.37.1.14 — RNA helicase
Domain ID domain_idd3rvba2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.37 — P-loop containing nucleoside triphosphate hydrolases
Superfamily Superfamily superfamilyc.37.1 — P-loop containing nucleoside triphosphate hydrolases
Family Family familyc.37.1.14 — RNA helicase

CATH v4.4 (3 domains)

Domain ID domain_id3rvbA01
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_id3rvbA02
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_id3rvbA03
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology820 — RNA Helicase; Chain A, domain 3
Homologous superfamily homologous superfamily10 — RNA Helicase Chain A , domain 3

8. Citations (1)

9. Files and Curves (10)