1bt7

THE SOLUTION NMR STRUCTURE OF THE N-TERMINAL PROTEASE DOMAIN OF THE HEPATITIS C VIRUS (HCV) NS3-PROTEIN, FROM BK STRAIN, 20 STRUCTURES

Method: SOLUTION NMR Dmax: 53.7 Å Quality: GOOD

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

NS3 SERINE PROTEASE

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 1025–1204 Mutation:INS(R180-ASKKKK) ZN ZINC ION × 1 SOLUTION NMR NMR measurement conditions:pH 6.3;298 K NMR sample composition:90% H2O/5% D2O/ 5% GLYCEROL-D Resolution not provided

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 1–180; UniProt 1025–1204

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 1bt7

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1bt7
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1bt7
Deposition date deposition_date1998-09-01
Structure title titleTHE SOLUTION NMR STRUCTURE OF THE N-TERMINAL PROTEASE DOMAIN OF THE HEPATITIS C VIRUS (HCV) NS3-PROTEIN, FROM BK STRAIN, 20 STRUCTURES
Keywords keywordsHYDROLASE, VIRAL NON-STRUCTURAL PROTEIN, SERINE PROTEASE; HYDROLASE
Experimental Method methodSOLUTION NMR

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

Radius of gyration Rg (Guinier) rg_guinier15.66
Radius of gyration Rg (electron density) rg_electron15.46
Forward intensity I(0) i01826310000.00
Molecular weight molecular_weight349930.0 kDa
Excluded volume excluded_volume433400 ų
Envelope volume envelope_volume42171 ų
Hydration-shell volume shell_volume19065 ų
Envelope diameter envelope_diameter63.2
Shell Rg shell_rg25.09
Envelope Rg envelope_rg19.06
Shape Rg shape_rg15.40
Total Rg total_rg15.80
Total atoms total_atoms49000
Residues n_residues3300
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 dmax53.7
Rg (real space) rg_real15.59
Rg uncertainty (real space) rg_real_error0.34
I(0) (real space) i0_real1.8260e+09
I(0) uncertainty (real space) i0_real_error2.0550e+07
Rg (reciprocal space) rg_reciprocal15.60
I(0) (reciprocal space) i0_reciprocal1826000000.0000
Solution quality estimate total_estimate0.7851
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary19.7
Skewness Skewness skewness0.236
Kurtosis Kurtosis kurtosis-0.265
Angular range angular_range— – 0.5000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha981900.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.739; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.987; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1bt7a1
Class classb — All beta proteins
Fold Fold foldb.47 — Trypsin-like serine proteases
Superfamily Superfamily superfamilyb.47.1 — Trypsin-like serine proteases
Family Family familyb.47.1.3 — Viral proteases
Domain ID domain_idd1bt7a2
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_id1bt7A01
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily120
Domain ID domain_id1bt7A02
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases

8. Citations (6)

9. Files and Curves (10)