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Joint X-ray/neutron structure of cationic trypsin in its apo form
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, 16% (w/v) PEG 8000
Crystal Properties Matthews coefficient Solvent content 2.33 47.32
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 54.999 α = 90 b = 58.623 β = 90 c = 67.565 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 2015-05-18 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON PETRA III, EMBL c/o DESY BEAMLINE P14 (MX2) 0.7749 PETRA III, EMBL c/o DESY P14 (MX2) 2 NUCLEAR REACTOR FRM II BEAMLINE BIODIFF 2.670, 2.670, 2.675 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 0.99 44.279 99.8 0.039 27.03 8.681 121717 2 1.45 50 90.2 0.126 6.858 3 35542
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 0.99 1.05 0.574 4.3 8.29 2 1.45 1.48 0.474 2.1 2.7
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 0.99 19.226 1.36 121618 6110 99.81 0.0941 0.0936 0.0936 0.1027 0.1014 Random selection NEUTRON DIFFRACTION MOLECULAR REPLACEMENT 1.45 21.327 35510 1784 90.2 0.173 0.1725 0.1839 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 14.941 f_dihedral_angle_d 14.941 f_angle_d 1.262 f_angle_d 1.262 f_chiral_restr 0.103 f_chiral_restr 0.103 f_plane_restr 0.009 f_plane_restr 0.009 f_bond_d 0.008 f_bond_d 0.008
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1609 Nucleic Acid Atoms Solvent Atoms 177 Heterogen Atoms 6
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