3RVB | pdb_00003rvb

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

• PDB DOI: https://doi.org/10.2210/pdb3RVB/pdb

• Classification: HYDROLASE/HYDROLASE INHIBITOR
• Organism(s): Hepacivirus hominis
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2011-05-06 Released: 2014-09-24 
• Deposition Author(s): Mather, O., Cheng, R., Schonfield, D., Barker, J.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 
  0.287 (Depositor), 0.280 (DCC) 
• R-Value Work: 
  0.224 (Depositor), 0.220 (DCC) 
• R-Value Observed: 
  0.227 (Depositor) 

Literature

The structure of HCV NS3 helicase with inhibitor ITMN-3479

Mather, O., Cheng, R., Schonfield, D., Barker, J.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 53.37 kDa 
• Atom Count: 3,511 
• Modeled Residue Count: 443 
• Deposited Residue Count: 493 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
RNA helicase	A	493	Hepacivirus hominis	Mutation(s): 0  Gene Names: NS3 EC: 3.6.4.13
UniProt
Find proteins for P26663 (Hepatitis C virus genotype 1b (isolate BK)) Explore P26663  Go to UniProtKB:  P26663

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
I79	B [auth A]	{1-[(5-chloro-2-methyl-1-benzothiophen-3-yl)methyl]-6-(3,5-diaminophenyl)-1H-indol-3-yl}acetic acid C26 H22 Cl N3 O2 S PFDAXQGFXBAMGF-UHFFFAOYSA-N
CL	E [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M
MG	C [auth A], D [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free:  0.287 (Depositor), 0.280 (DCC) 
• R-Value Work:  0.224 (Depositor), 0.220 (DCC) 
• R-Value Observed: 0.227 (Depositor) 

Space Group: P 3₁ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 92.354	α = 90
b = 92.354	β = 90
c = 104.462	γ = 120

Software Package:

Software Name	Purpose
CrystalClear	data collection
MOLREP	phasing
REFMAC	refinement
CrystalClear	data reduction
CrystalClear	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2014-09-24 
Deposition Author(s): Mather, O., Cheng, R., Schonfield, D., Barker, J.

Revision History  

• Version 1.0: 2014-09-24
  Type: Initial release
  
• Version 1.1: 2024-02-28
  Changes: Data collection, Database references, Derived calculations