4B76

Discovery of an allosteric mechanism for the regulation of HCV NS3 protein function


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1CU1PDB ENTRY 1CU1

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
160.2 M 2-(N-MORPHOLINO)ETHANESULFONIC ACID (MES)-NAOH PH 6.6, 14-20% W/V POLYETHYLENE GLYCOL (PEG) 6000, 10% W/V 2-METHYL-2,4-PENTANDIOL (MPD)
Crystal Properties
Matthews coefficientSolvent content
2.5351.32

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 91.353α = 90
b = 110.311β = 90
c = 142.149γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 315r2009-04-30MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID29ESRFID29

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
12.187.299.50.089.53.2838072
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.12.299.60.42.83.3

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 1CU12.1487.1575025400999.210.196960.193940.25338RANDOM33.512
Temperature Factor Modeling
Anisotropic B[1][1]Anisotropic B[1][2]Anisotropic B[1][3]Anisotropic B[2][2]Anisotropic B[2][3]Anisotropic B[3][3]
0.35-0.360.01
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.546
r_dihedral_angle_4_deg16.295
r_dihedral_angle_3_deg15.539
r_dihedral_angle_1_deg6.422
r_angle_refined_deg1.475
r_angle_other_deg0.823
r_chiral_restr0.09
r_bond_refined_d0.012
r_bond_other_d0.001
r_gen_planes_refined
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.546
r_dihedral_angle_4_deg16.295
r_dihedral_angle_3_deg15.539
r_dihedral_angle_1_deg6.422
r_angle_refined_deg1.475
r_angle_other_deg0.823
r_chiral_restr0.09
r_bond_refined_d0.012
r_bond_other_d0.001
r_gen_planes_refined
r_gen_planes_other
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_it
r_mcbond_other
r_mcangle_it
r_mcangle_other
r_scbond_it
r_scbond_other
r_scangle_it
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms9602
Nucleic Acid Atoms
Solvent Atoms555
Heterogen Atoms34

Software

Software
Software NamePurpose
REFMACrefinement
MOSFLMdata reduction
SCALEPACKdata scaling
PHASERphasing