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Crystal structure of bovine alpha-chymotrypsin in space group P65
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4Q2K
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 289 Protein (lyophilized powder, Worthington, code: CDTLCK) was dissolved in 0.1 M HEPES (pH 7.0) to a final concentration of 20mg/mL. Crystallisation condition was 2 M ammonium sulphate, with equal volume (1 uL) of protein and reservoir solution in the drop
Crystal Properties Matthews coefficient Solvent content 2.76 55.38
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 126.81 α = 90 b = 126.81 β = 90 c = 122.03 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 100 CCD ADSC QUANTUM 210r 2015-02-18 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON AUSTRALIAN SYNCHROTRON BEAMLINE MX1 0.9537 Australian Synchrotron MX1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Rpim I (All) CC (Half) 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 1.86 29.55 100 0.119 0.126 0.041 0.998 12.2 9.3 93385 25.83
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Rpim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.86 1.89 99.7 1.924 2.083 0.779 0.383 6.8
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) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 4Q2K 1.859 28.132 1.33 93185 4889 99.81 0.1904 0.1885 0.1894 0.2252 0.2246 34.8988
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]
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 7049 Nucleic Acid Atoms Solvent Atoms 1100 Heterogen Atoms 65
Software Software Software Name Purpose PHENIX refinement MOSFLM data reduction Aimless data scaling PHASER phasing PDB_EXTRACT data extraction