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Crystal structure of a chimeric Murine Norovirus NS6 protease (inactive C139A mutant) in which the P4-P4 prime residues of the cleavage junction in the extended C-terminus have been replaced by the corresponding residues from the NS2-3 junction.
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4ASH
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 291.15 0.2 M KSCN, 0.1 M Bis-Tris propane pH 6.5-7.5, 20% w/v PEG 3350, cryo 30% (v/v) PEG 3350
Crystal Properties Matthews coefficient Solvent content 2.13 42.26
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 35.52 α = 104.45 b = 47.32 β = 91.53 c = 53.07 γ = 110.61
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 CCD RIGAKU SATURN 944+ 2013-04-23 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU MICROMAX-007 HF 1.54
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge 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 2.417 19.273 91.14 0.093 6.7 1.8 10817
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.417 2.503 66.47 0.271 2.31 1.8
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R-VALUE 4ASH 2.417 19.273 1.97 10769 538 90.74 0.2129 0.2104 0.2124 0.2616 0.2594 Random selection 28.3
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 f_dihedral_angle_d 12.543 f_angle_d 0.673 f_chiral_restr 0.046 f_bond_d 0.003 f_plane_restr 0.003
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2562 Nucleic Acid Atoms Solvent Atoms 107 Heterogen Atoms
Software Software Software Name Purpose PHENIX refinement PDB_EXTRACT data extraction PHASER phasing MOSFLM data reduction SCALA data scaling