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Structure of Porcine Trypsin Crystals Grown from PEG Complexed with Crystallization Additives III
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1LDT
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 295 Sitting drop vapor diffusion in Cryschem plates with 0.6 ml reservoirs of 30% PEG 3350 buffered at pH 6.5 with 0.1 M HEPES. Drops 3 ul of reservoir, 2 ul of additive mix ( TACSIMATE, glycerol, sucrose, sorbitol), 3 ul of 40 mg/ml stock protein solution buffered at pH 6.5 with 0.1 M HEPES.
Crystal Properties Matthews coefficient Solvent content 2.2 48.66
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 58.82 α = 90 b = 58.82 β = 90 c = 135.34 γ = 90
Symmetry Space Group P 41 21 2
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 295 IMAGE PLATE RIGAKU Osmic mirrors 2012-06-12 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU 1.54
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 1.41 27.1 78.7 0.053 13.5 3.41 36756 18.65
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 1.41 1.46 0.27 2
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method 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 1.41 26.31 1 36297 2547 77.88 0.134 0.1312 0.1313 0.1698 0.17 43.32
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 19.3632 f_angle_d 1.3317 f_chiral_restr 0.0962 f_bond_d 0.0078 f_plane_restr 0.007
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1642 Nucleic Acid Atoms Solvent Atoms 154 Heterogen Atoms 379
Software Software Software Name Purpose PHENIX refinement d*TREK data reduction Aimless data scaling PHASER phasing