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Anionic trypsin variant S195A in complex with bovine pancreatic trypsin inhibitor (BPTI) determined to the 1.46 A resolution limit
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3TGI PDB ENTRY 3TGI
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 7.5 295 0.2M lithium sulfate, 0.1M tris, 34% (w/v) PEG 4000, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Crystal Properties Matthews coefficient Solvent content 2.46 49.98
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 91.933 α = 90 b = 91.933 β = 90 c = 61.135 γ = 120
Symmetry Space Group P 32 2 1
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 CCD Nonius Kappa CCD OSMIC CONFOCAL MAX-FLUX (GREEN) 2007-12-06 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE ENRAF-NONIUS FR591
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 1.46 30 100 0.055 20.5 12.8 51920 -3 12.2
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1.46 1.51 99.9 0.278 6.1 5.6
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (All) 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) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 3TGI 1.46 30 51894 51894 4141 99.8 0.175 0.175 0.1693 0.189 0.183 RANDOM, BUT IDENTICAL TO THOSE IDENTIFIED FOR PDB ENTRY 3FP6 & 3FP7 12
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 c_dihedral_angle_d 25.8 c_scangle_it 2.03 c_mcangle_it 1.46 c_angle_deg 1.38 c_scbond_it 1.36 c_improper_angle_d 1.19 c_mcbond_it 0.89 c_bond_d 0.0049 c_bond_d_na c_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 25.8 c_scangle_it 2.03 c_mcangle_it 1.46 c_angle_deg 1.38 c_scbond_it 1.36 c_improper_angle_d 1.19 c_mcbond_it 0.89 c_bond_d 0.0049 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na c_angle_deg_prot c_dihedral_angle_d_na c_dihedral_angle_d_prot c_improper_angle_d_na c_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2226 Nucleic Acid Atoms Solvent Atoms 355 Heterogen Atoms 63
Software Software Software Name Purpose SBC-Collect data collection CNS refinement HKL-2000 data reduction HKL-2000 data scaling CNS phasing