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Crystal structure of chalcone isomerase engineered from ancestral inference (epR4)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4DOI PDB:4DOI
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 5.5 277 29% PEG 4K, 2.5M ammonium formate, 50mM succinic acid
Crystal Properties Matthews coefficient Solvent content 2.47 50.2
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 65.94 α = 90 b = 112.67 β = 117.37 c = 71.76 γ = 90
Symmetry Space Group P 1 21 1
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 ADSC QUANTUM 315r 2015-06-25 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 8.2.1 1.0 ALS 8.2.1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 1.58 58.57 99.8 8.33 5.3 126702
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) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R-VALUE PDB:4DOI 1.58 58.57 1.34 126615 1995 99.66 0.17 0.1696 0.1731 0.1933 0.2
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 12.777 f_angle_d 0.929 f_chiral_restr 0.036 f_bond_d 0.005 f_plane_restr 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 6244 Nucleic Acid Atoms Solvent Atoms 1035 Heterogen Atoms 12
Software Software Software Name Purpose PHENIX refinement iMOSFLM data reduction SCALA data scaling PHASER phasing