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CATALYTIC AND STRUCTURAL EFFECTS OF AMINO-ACID SUBSTITUTION AT HIS 30 IN HUMAN MANGANESE SUPEROXIDE DISMUTASE: INSERTION OF VAL CGAMMA INTO THE SUBSTRATE ACCESS CHANNEL
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1AP6 hMnSOD Y34F
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8 294 50 mM imidazole/malate, 2.5M ammonium sulfate, pH 8, VAPOR DIFFUSION, HANGING DROP, temperature 294K
Crystal Properties Matthews coefficient Solvent content 2.5 50.77
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 79.901 α = 90 b = 79.901 β = 90 c = 241.125 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 272 IMAGE PLATE MACSCIENCE 2000-07-20 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRL BEAMLINE BL7-1 1.0 SSRL BL7-1
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 1.85 20 98 0.078 13.4 4.46 39262 39262 -3 20.7
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) 1 1.85 1.88 99 0.465 3.29 3 1932
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-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT hMnSOD Y34F 1.85 19.91 39112 3930 98 0.254 0.254 0.288 RANDOM 28.5
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] 3.97 3.24 3.97 -7.94
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 21.3 c_angle_deg 1.4 c_improper_angle_d 0.9 c_bond_d 0.01
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3146 Nucleic Acid Atoms Solvent Atoms 325 Heterogen Atoms 2
Software Software Software Name Purpose MAR345 data collection SCALEPACK data scaling CNS refinement CNS phasing