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the 2.2 A resolution structure of thermolysin crystallized in presence of potassium thiocyanate
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 8TLN PDB ENTRY 8TLN
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8.3 0.5MICROL HANGING DROP CONTAINING 87MG/ML OF THERMOLYSIN IN BUFFER A (50MM TRIS/HCL PH8.3, 1M KSCN, 20MM CACL2) WAS EQUILIBRATED AGAINST 740MICROL BUFFER A AND 260MICROL WATER (SALTING-IN METHOD), pH 8.30
Crystal Properties Matthews coefficient Solvent content 2.38 38.8
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 93.17 α = 90 b = 93.17 β = 90 c = 130.63 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 283 IMAGE PLATE MARRESEARCH BENT MIRROR 1999-07-15 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON LURE BEAMLINE DW21B LURE DW21B
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 2.18 19 92.4 0.086 7.3 3.7 15898 12.1
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.18 2.32 83.9
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) 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 8TLN 2.18 18.46 16715 1703 92.4 0.163 0.163 0.1561 0.215 0.2073 RANDOM 16.6
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] -0.72 -3.17 -0.72 1.44
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 22.8 c_scangle_it 3.52 c_scbond_it 2.57 c_mcangle_it 2.05 c_mcbond_it 1.5 c_angle_deg 1.3 c_improper_angle_d 0.73 c_bond_d 0.011 c_bond_d_na c_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 22.8 c_scangle_it 3.52 c_scbond_it 2.57 c_mcangle_it 2.05 c_mcbond_it 1.5 c_angle_deg 1.3 c_improper_angle_d 0.73 c_bond_d 0.011 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 2432 Nucleic Acid Atoms Solvent Atoms 170 Heterogen Atoms 25
Software Software Software Name Purpose CNS refinement MOSFLM data reduction SCALA data scaling CNS phasing