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Crystal structure of the bovine pancreatic phospholipase A2 at 0.97A
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1UNE PDB ENTRY 1UNE
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 SMALL TUBES 7.6 293 MPD, calcium chloride, Tris buffer, pH 7.6, SMALL TUBES, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2.01 38.91
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 46.532 α = 90 b = 63.557 β = 90 c = 37.624 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 1999-09-25 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE BM14 ESRF BM14
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 0.97 20 99.8 0.064 33.4 7.04 66635 66635 3 3 6.373
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 0.97 0.99 97.4 0.172 6.89 3.28
Refinement Statistics Diffraction ID Structure Solution 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-Free (Depositor) Mean Isotropic B X-RAY DIFFRACTION PDB ENTRY 1UNE 0.97 20 66635 66635 0.094 0.094
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]
RMS Deviations Key Refinement Restraint Deviation s_non_zero_chiral_vol 0.118 s_zero_chiral_vol 0.111 s_anti_bump_dis_restr 0.099 s_approx_iso_adps 0.076 s_angle_d 0.046 s_bond_d 0.021 s_from_restr_planes 0.0128
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 957 Nucleic Acid Atoms Solvent Atoms 247 Heterogen Atoms 42
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling SHELXL-97 refinement