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Joint X-ray/neutron structure of cationic trypsin in complex with benzylamine
X-RAY DIFFRACTION - NEUTRON DIFFRACTION
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4I8H
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7.5 277 0.2 M ammonium sulfate, 0.1 M Hepes pH 7.5, 15.0-16.5% (w/v) PEG 8000
Crystal Properties Matthews coefficient Solvent content 2.32 47.08
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 54.841 α = 90 b = 58.334 β = 90 c = 67.781 γ = 90
Symmetry Space Group P 21 21 21
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 295 PIXEL DECTRIS PILATUS 6M 2015-06-10 M SINGLE WAVELENGTH 2 1 neutron 295 IMAGE PLATE MAATEL BIODIFF 2016-08-10 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON PETRA III, EMBL c/o DESY BEAMLINE P14 (MX2) 0.8266 PETRA III, EMBL c/o DESY P14 (MX2) 2 NUCLEAR REACTOR FRM II BEAMLINE BIODIFF 2.673 FRM II BIODIFF
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym I (Observed) Rrim I (All) Rpim I (All) CC (Half) R Split (All) 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 0.98 44.215 99.6 0.052 19.99 6.403 124579 2 1.49 50 93.7 0.129 5.866 2.8 34022
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) R Merge I (Observed) R-Sym I (Observed) Rrim I (All) Rpim I (All) CC (Half) R Split (All) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 0.98 1.04 0.562 4.18 6.184 2 1.49 1.52 0.445 1.954 2.1
Refinement Statistics Diffraction ID Structure Solution Method Resolution (High) Resolution (Low) Cut-off Sigma (I) Cut-off Sigma (F) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) 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 0.98 17.437 1.36 124484 6242 99.61 0.0999 0.0995 0.1 0.1077 0.1081 Random selection NEUTRON DIFFRACTION MOLECULAR REPLACEMENT 1.49 19.667 34004 1713 93.67 0.1968 0.1962 0.2074 Random selection
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 14.535 f_dihedral_angle_d 14.535 f_angle_d 1.261 f_angle_d 1.261 f_chiral_restr 0.098 f_chiral_restr 0.098 f_plane_restr 0.008 f_plane_restr 0.008 f_bond_d 0.006 f_bond_d 0.006
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1613 Nucleic Acid Atoms Solvent Atoms 146 Heterogen Atoms 24
Software Software Software Name Purpose PHENIX refinement XDS data reduction HKL-2000 data reduction XDS data scaling HKL-2000 data scaling PHASER phasing Coot model building