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Porcine pancreatic elastase acyl enzyme at 0.95 A resolution
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1QIX PDB ENTRY 1QIX
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 5 293 25 MG/ML PPE, 17.5 MG/ML N-AC-NPI- CO2H, 50MM SODIUM ACETATE PH5.0, 25 MM SODIUM SULPHATE, 20 C, PH 5.00
Crystal Properties Matthews coefficient Solvent content 2.1 41
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 50.176 α = 90 b = 57.778 β = 90 c = 74.409 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 100 CCD MARRESEARCH FOCUSING MIRRORS 2000-07-15 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID14-3 ESRF ID14-3
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 0.945 26.93 92.7 0.043 5.9 2.8 128075
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 0.94 0.97 60.9 0.347 2.1 1.3
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (All) 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 FREE R-VALUE PDB ENTRY 1QIX 0.94 26.93 121580 6432 92.7 0.122 0.122 0.1186 0.147 0.1411 RANDOM
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]
Coordinate Error Structure Solution Method Refinement High Resolution Refinement Low Resolution 44 1686 2094.6
RMS Deviations Key Refinement Restraint Deviation s_angle_d 0.025 s_bond_d 0.016 s_similar_dist s_from_restr_planes s_zero_chiral_vol s_non_zero_chiral_vol s_anti_bump_dis_restr s_rigid_bond_adp_cmpnt s_similar_adp_cmpnt s_approx_iso_adps
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1848 Nucleic Acid Atoms Solvent Atoms 331 Heterogen Atoms 11
Software Software Software Name Purpose SHELXL-97 refinement MOSFLM data reduction SCALA data scaling CNS phasing