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Porcine pancreatic elastase complexed with Asn-Pro-Ile at pH 5.0
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3EST
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 5 294 25MM SODIUM SULPHATE, 25MM SODIUM ACETATE (PH 5.0), 25 MG/ML PPE AND 17.5 MG/ML NPI, VAPOR DIFFUSION, HANGING DROP, temperature 294K
Crystal Properties Matthews coefficient Solvent content 2.08 41
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 50.145 α = 90 b = 57.874 β = 90 c = 74.529 γ = 90
Symmetry Space Group P 21 21 21
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 127 IMAGE PLATE RIGAKU RAXIS IV OSMIC mirrors 2005-04-26 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU MICROMAX-007
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 1.8 19.58 95.8 0.03 34.6 4.5 19783 12
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 1.8 1.9 93.1 0.061 23.2 4.5 2737
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 (All) 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 3EST 1.8 19.58 19783 19755 1024 95.35 0.179 0.179 0.177 0.1803 0.222 0.2198 RANDOM 12.992
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] 0.3 0.09 -0.39
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.028 r_dihedral_angle_4_deg 20.919 r_dihedral_angle_3_deg 12.244 r_dihedral_angle_1_deg 5.918 r_scangle_it 4.878 r_scbond_it 4.081 r_mcangle_it 2.785 r_mcbond_it 2.033 r_angle_refined_deg 1.286 r_nbtor_refined 0.306
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.028 r_dihedral_angle_4_deg 20.919 r_dihedral_angle_3_deg 12.244 r_dihedral_angle_1_deg 5.918 r_scangle_it 4.878 r_scbond_it 4.081 r_mcangle_it 2.785 r_mcbond_it 2.033 r_angle_refined_deg 1.286 r_nbtor_refined 0.306 r_symmetry_vdw_refined 0.239 r_nbd_refined 0.199 r_symmetry_hbond_refined 0.187 r_metal_ion_refined 0.131 r_chiral_restr 0.098 r_xyhbond_nbd_refined 0.088 r_bond_refined_d 0.012 r_gen_planes_refined 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1802 Nucleic Acid Atoms Solvent Atoms 124 Heterogen Atoms 6
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling REFMAC refinement PDB_EXTRACT data extraction MOSFLM data reduction CCP4 data scaling