1a1v

HEPATITIS C VIRUS NS3 HELICASE DOMAIN COMPLEXED WITH SINGLE STRANDED SDNA

Method: X-RAY DIFFRACTION Dmax: 71.4 Å Quality: EXCELLENT

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

PROTEIN (NS3 PROTEIN)

Hepatitis C virus (isolate H)

UniProt P27958

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–DNA Monomer Protein × 1 DNA 1 PDB declaration: dimeric(2) Consistent with all polymer counts Chain A; UniProt 1193–1657 Fragment:HELICASE DOMAIN Mutation:;N-TERMINAL MET, K221Q, A277G, S301L, S332P, S410A, G530E, R582W, AND A 10 RESIDUE (GSGSHHHHHH) HISTIDINE TAG ATTACHED TO THE C-TERMINUS ; Non-standard monomer:Yes (specific site not provided by mmCIF) ;DNA (5'-D(*UP*UP*UP*UP*UP*UP*UP*U)-3') ; × 1 SO4 SULFATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 8;pH 8.0 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.

26 other PDB entries and 43 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name POLG_HCVH
Isoform
PDB entities 2
Chains and sequence ranges Author chain A; PDBConstruct 2–466; UniProt 1193–1657

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 1a1v

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1a1v
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1a1v
Deposition date deposition_date1997-12-17
Structure title titleHEPATITIS C VIRUS NS3 HELICASE DOMAIN COMPLEXED WITH SINGLE STRANDED SDNA
Keywords keywordsHEPATITIS C VIRUS, RNA HELICASE, NONSTRUCTURAL PROTEINS, SINGLE-STRANDED DNA, HYDROLASE-DNA COMPLEX; HYDROLASE/DNA
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier23.60
Radius of gyration Rg (electron density) rg_electron23.04
Forward intensity I(0) i039426300.00
Molecular weight molecular_weight47607.0 kDa
Excluded volume excluded_volume59148 ų
Envelope volume envelope_volume69362 ų
Hydration-shell volume shell_volume25365 ų
Envelope diameter envelope_diameter73.6
Shell Rg shell_rg29.93
Envelope Rg envelope_rg23.00
Shape Rg shape_rg23.06
Total Rg total_rg23.75
Total atoms total_atoms4009
Residues n_residues436
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 dmax71.4
Rg (real space) rg_real23.51
Rg uncertainty (real space) rg_real_error0.41
I(0) (real space) i0_real3.9430e+07
I(0) uncertainty (real space) i0_real_error5.1170e+05
Rg (reciprocal space) rg_reciprocal23.53
I(0) (reciprocal space) i0_reciprocal39430000.0000
Solution quality estimate total_estimate0.9134
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary25.6
Skewness Skewness skewness0.211
Kurtosis Kurtosis kurtosis-0.563
Angular range angular_range— – 0.3350 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha8763000.0000
Real-space data points n_real_points65
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.966; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.971

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 5 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1a1va1
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_idd1a1va2
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_id1a1vA01
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_id1a1vA02
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_id1a1vA03
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)