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Structure of Hepatitis C Viral NS3 protease domain complexed with NS4A peptide and ketoamide SCH571696
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2O8M
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 5.6 277 The protein (NS3 complexed with KK-NS4a(21-39)-KK peptide) was at 12-15 mg/ml in 15 mM MES, pH 6.5, 1 M NaCl, 20 mM b-mercaptoethanol. Hanging Drops were formed by mixing 4:l protein solution with 4:l {0.75-1.0 M NaCl, 0.1M Na/K phosphate, 0.1 M Mes, pH 5.8-6.1, 20 mM 2-mercaptoethanol}
The drop was equilibrated the drops over 1 ml {(1.25-1.50 M) NaCl - 0.1M Na/K phosphate 0.1 M Mes, pH 5.6-5.8, 20 mM 2-mercaptoethanol}
, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 3.88 68.33
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 224.676 α = 90 b = 224.676 β = 90 c = 75.604 γ = 120
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 95 CCD ADSC QUANTUM 210 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 17-ID 1.00 APS 17-ID
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Sym I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot 1 2.7 50 93.8 0.043 23.8 3.6 20043 18800 1 35.2
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.7 56.4 0.267 2.2 3.6
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MIR THROUGHOUT 2O8M 2.7 8 1 20054 15905 1573 79.3 0.193 0.2093 0.293 0.2054 RANDOM
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]
RMS Deviations Key Refinement Restraint Deviation x_angle_deg 1.855 x_improper_angle_d 1.467 x_bond_d 0.008
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2724 Nucleic Acid Atoms Solvent Atoms 135 Heterogen Atoms 46
Software Software Software Name Purpose ADSC data collection X-PLOR model building X-PLOR refinement HKL-2000 data reduction SCALEPACK data scaling X-PLOR phasing