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Neutron structure of cationic trypsin in complex with benzylamine
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% (w/v) PEG 8000
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 55.017 α = 90 b = 58.63 β = 90 c = 67.753 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 neutron 295 IMAGE PLATE MAATEL BIODIFF 2016-08-10 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 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) 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 1.49 50 93.7 0.129 5.866 2.8 34022
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 1.49 1.52 90.4 0.445 1.954 2.1
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-Free (Depositor) R-Free Selection Details Mean Isotropic B NEUTRON DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 4I8H 1.491 19.68 1.34 34004 1713 93.46 0.1775 0.1754 0.216 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 14.6 f_angle_d 1.054 f_chiral_restr 0.087 f_plane_restr 0.006 f_bond_d 0.005
Software Software Software Name Purpose PHENIX refinement HKL-2000 data reduction HKL-2000 data scaling PHASER phasing Coot model building