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Structure of the inhibitor free triple mutant (K53,56,120M) of phospholipase A2
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 vapor diffusion method 7.2 293 50 mM Tris Buffer, 70% MPD reservoir,17-20Mg/ml prot,5 mM CaCl2 and 60% MPD in the droplet, pH 7.2, vapor diffusion method, temperature 293.0K
Crystal Properties Matthews coefficient Solvent content 2.21 43.89
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 46.76 α = 90 b = 46.76 β = 90 c = 102.71 γ = 120
Symmetry Space Group P 31 2 1
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 293 IMAGE PLATE MARRESEARCH 2000-11-20 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 1.85 19.9 95 6.6 11084 10532 22.4
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) 1.85 1.92 98.3 0.389 1110
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (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 1.85 19.9 11084 10532 896 95 0.193 0.1889 0.232 0.2262 random 30.4
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] 3.28 3.9 3.28 -6.55
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 22.2 c_scangle_it 3.12 c_scbond_it 2.07 c_mcangle_it 2.01 c_mcbond_it 1.21 c_angle_deg 1.2 c_improper_angle_d 0.7 c_bond_d 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 954 Nucleic Acid Atoms Solvent Atoms 93 Heterogen Atoms 1
Software Software Software Name Purpose DENZO data reduction CNS refinement SCALEPACK data scaling