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Porcine pancreatic elastase complexed with MetPheLeuGlu 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), 25mg/ml PPE, 17.5mg/ml MFLE , VAPOR DIFFUSION, HANGING DROP, temperature 294K
Crystal Properties Matthews coefficient Solvent content 2.02 39.07
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 50.084 α = 90 b = 57.57 β = 90 c = 74.146 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 2005-10-10 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 1.6 45.45 96.1 0.042 21.3 3.6 27749 16.1
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) 1.6 1.69 91.9 0.208 4.8 3.2 3793
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 3EST 1.6 19.54 27749 26295 1419 95.39 0.18363 0.18247 0.1946 0.2049 0.218 RANDOM 21.611
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] 0.86 -0.29 -0.57
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.183 r_dihedral_angle_4_deg 21.269 r_dihedral_angle_3_deg 11.511 r_dihedral_angle_1_deg 6.037 r_scangle_it 2.876 r_scbond_it 2.122 r_angle_refined_deg 1.413 r_mcangle_it 1.411 r_mcbond_it 0.889 r_nbtor_refined 0.31
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.183 r_dihedral_angle_4_deg 21.269 r_dihedral_angle_3_deg 11.511 r_dihedral_angle_1_deg 6.037 r_scangle_it 2.876 r_scbond_it 2.122 r_angle_refined_deg 1.413 r_mcangle_it 1.411 r_mcbond_it 0.889 r_nbtor_refined 0.31 r_nbd_refined 0.235 r_symmetry_vdw_refined 0.2 r_symmetry_hbond_refined 0.17 r_metal_ion_refined 0.129 r_xyhbond_nbd_refined 0.109 r_chiral_restr 0.101 r_bond_refined_d 0.012 r_gen_planes_refined 0.006
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1812 Nucleic Acid Atoms Solvent Atoms 118 Heterogen Atoms 6
Software Software Software Name Purpose REFMAC refinement MOSFLM data reduction CCP4 data scaling