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Role of a Glutamate Bridge Spanning the Dimeric Interface of Human Manganese Superoxide Dismutase
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1LUV PDB ENTRY 1LUV
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8 300 100mM Imidazole, 100mM Malic Acid, 3.0M Ammonium Sulfate, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 300K
Crystal Properties Matthews coefficient Solvent content 2.59 52.58
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 81.293 α = 90 b = 81.293 β = 90 c = 241.693 γ = 120
Symmetry Space Group P 61 2 2
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 300 IMAGE PLATE RIGAKU RAXIS IV++ osmic mirrors M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RUH3R 1.54178
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Sym 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 2.2 20 94.1 0.077 33 5.6 27000 25122 1 1 14.7
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 2.2 2.23 68.3 0.144 2.2 2183
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) 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 PDB ENTRY 1LUV 2.2 19.97 22986 1111 92.2 0.175 0.175 0.1812 0.201 0.1803 RANDOM 23.7
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] 0.14 0.14 -0.28
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 20.9 c_scangle_it 3.23 c_improper_angle_d 2.59 c_scbond_it 2.16 c_mcangle_it 1.82 c_angle_deg 1.4 c_mcbond_it 1.18 c_bond_d 0.017
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3106 Nucleic Acid Atoms Solvent Atoms 175 Heterogen Atoms 12
Software Software Software Name Purpose CNS refinement CrystalClear data collection DENZO data reduction SCALEPACK data scaling CNS phasing