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X-ray crystal structure analysis of bovine spleen cathepsin B-CA073 complex
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1ITO PDB ENTRY 1ITO
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 3.5 289 50mM sodium citrate, 2.4M sodium phosphate, pH 3.5, VAPOR DIFFUSION, HANGING DROP, temperature 289K
Crystal Properties Matthews coefficient Solvent content 3.25 62.18
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 72.14 α = 90 b = 72.14 β = 90 c = 139.67 γ = 90
Symmetry Space Group P 43 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 120 IMAGE PLATE RIGAKU RAXIS IIC 2005-12-03 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RU300 1.5418
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 2.3 64.1 99.2 0.103 7.69 16958 18.8
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 2.3 2.44 100
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 ISOMORPHOUS REPLACEMENT THROUGHOUT PDB ENTRY 1ITO 2.3 9.98 16700 837 99.1 0.201 0.201 0.2019 0.232 0.2181 RANDOM 19.1
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] 1.94 1.94 -3.88
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 24 c_scangle_it 3.04 c_scbond_it 2.19 c_mcangle_it 2.07 c_angle_deg 1.3 c_mcbond_it 1.26 c_improper_angle_d 0.72 c_bond_d 0.006 c_bond_d_na c_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 24 c_scangle_it 3.04 c_scbond_it 2.19 c_mcangle_it 2.07 c_angle_deg 1.3 c_mcbond_it 1.26 c_improper_angle_d 0.72 c_bond_d 0.006 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 1908 Nucleic Acid Atoms Solvent Atoms 112 Heterogen Atoms 45
Software Software Software Name Purpose CNS refinement CNS phasing