2A4R | pdb_00002a4r

HCV NS3 Protease Domain with a Ketoamide Inhibitor Covalently bound.


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.40 Å
  • R-Value Free: 
    0.271 (Depositor), 0.200 (DCC) 
  • R-Value Work: 
    0.201 (Depositor), 0.200 (DCC) 

wwPDB Validation   3D Report Full Report


Ligand Structure Quality Assessment 

Created with Raphaël 2.3.0Worse 01 BetterLigand structure goodness of fit to experimental dataBest fitted BNHClick on this verticalbar to view details

This is version 1.4 of the entry. See complete history


Literature

Hepatitis C Virus NS3-4A serine protease inhibitors: Use of a P2-P1 cyclopropyl alanine combination for improved potency.

Bogen, S.Saksena, A.K.Arasappan, A.Gu, H.Njoroge, F.G.Girijavallabhan, V.Pichardo, J.Butkiewicz, N.Prongay, A.Madison, V.

(2005) Bioorg Med Chem Lett 15: 4515-4519

  • DOI: https://doi.org/10.1016/j.bmcl.2005.07.009
  • Primary Citation of Related Structures:  
    2A4R

  • PubMed Abstract: 

    Modification of the P(2) and P(1) side chains of earlier P(3)-capped alpha-ketoamide inhibitor of HCV NS3 serine protease 1 resulted in the discovery of compound 24 with about 10-fold improvement in potency.


  • Organizational Affiliation

    Chemical Research, Schering Plough Research Institute, 2015 Galloping Hill Road, Kenilworth, NJ 07033, USA. stephane.bogen@spcorp.com


Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
NS3 protease/helicase
A, C
200Hepacivirus hominisMutation(s): 0 
UniProt
Find proteins for P27958 (Hepatitis C virus genotype 1a (isolate H77))
Explore P27958 
Go to UniProtKB:  P27958
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP27958
Sequence Annotations
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  • Reference Sequence

Find similar proteins by:  Sequence   |   3D Structure  

Entity ID: 2
MoleculeChains Sequence LengthOrganismDetailsImage
Ns4a peptide
B, D
23N/AMutation(s): 1 
UniProt
Find proteins for P27958 (Hepatitis C virus genotype 1a (isolate H77))
Explore P27958 
Go to UniProtKB:  P27958
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP27958
Sequence Annotations
Expand
  • Reference Sequence
Small Molecules
Ligands 2 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
BNH
Query on BNH

Download Ideal Coordinates CCD File 
F [auth A][(N-{3-[(N-{CYCLOHEXYL[(ISOBUTOXYCARBONYL)AMINO]ACETYL}-3-CYCLOPROPYLALANYL)AMINO]-4-CYCLOPROPYL-2-OXOBUTANOYL}GLYCYL)AMINO](PHENYL)ACETIC ACID
C36 H51 N5 O9
VZZMJPCOMQVXJP-ZHTHUIBPSA-N
ZN
Query on ZN

Download Ideal Coordinates CCD File 
E [auth A],
G [auth C]
ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.40 Å
  • R-Value Free:  0.271 (Depositor), 0.200 (DCC) 
  • R-Value Work:  0.201 (Depositor), 0.200 (DCC) 
Space Group: H 3 2
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 223.603α = 90
b = 223.603β = 90
c = 75.354γ = 120
Software Package:
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
X-PLORmodel building
X-PLORrefinement
X-PLORphasing

Structure Validation

View Full Validation Report



Ligand Structure Quality Assessment 

Created with Raphaël 2.3.0Worse 01 BetterLigand structure goodness of fit to experimental dataBest fitted BNHClick on this verticalbar to view details

Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2006-07-04
    Type: Initial release
  • Version 1.1: 2008-04-30
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance
  • Version 1.3: 2021-10-20
    Changes: Database references, Derived calculations
  • Version 1.4: 2024-02-14
    Changes: Data collection