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THE CRYSTAL STRUCTURE OF ANIONIC SALMON TRYPSIN IN COMPLEX WITH BOVINE PANCREATIC TRYPSIN INHIBITOR
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2PTC PDB ENTRY 2PTC, PDB ENTRY 2TBS experimental model PDB 2TBS PDB ENTRY 2PTC, PDB ENTRY 2TBS
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 7.5 0.1 M HEPES PH 7.5, 0.8-1.2 M POTASSIUM SODIUM TARTRATE
Crystal Properties Matthews coefficient Solvent content 3.73 60
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 84.12 α = 90 b = 84.12 β = 90 c = 222.15 γ = 120
Symmetry Space Group P 61 2 2
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 293 IMAGE PLATE MARRESEARCH MIRRORS M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE BM1A ESRF BM1A
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym 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 2.1 15 97.3 0.083 0.077 5.6 3.4 25996 1 33.99
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 2.1 2.37 95.5 0.34 0.293 2.5 3.4
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 X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 2PTC, PDB ENTRY 2TBS 2.1 8 1 25273 97.3 0.206 0.206 0.238 RANDOM 37.29
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 x_angle_deg 1.743 x_bond_d 0.01 x_bond_d_na x_bond_d_prot x_angle_d x_angle_d_na x_angle_d_prot x_angle_deg_na x_angle_deg_prot x_dihedral_angle_d
RMS Deviations Key Refinement Restraint Deviation x_angle_deg 1.743 x_bond_d 0.01 x_bond_d_na x_bond_d_prot x_angle_d x_angle_d_na x_angle_d_prot x_angle_deg_na x_angle_deg_prot x_dihedral_angle_d x_dihedral_angle_d_na x_dihedral_angle_d_prot x_improper_angle_d x_improper_angle_d_na x_improper_angle_d_prot x_mcbond_it x_mcangle_it x_scbond_it x_scangle_it
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2133 Nucleic Acid Atoms Solvent Atoms 85 Heterogen Atoms 1
Software Software Software Name Purpose DENZO data reduction CCP4 data reduction X-PLOR model building X-PLOR refinement CCP4 data scaling X-PLOR phasing