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Nitrogenase MoFeP mutant F99Y, S188A from Azotobacter vinelandii in the dithionite reduced state
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2MIN
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 8 293 20% PEG 8000, 100 mM Tris pH 8.0, 500 mM NaCl, 10 mM dithionite
Crystal Properties Matthews coefficient Solvent content 2.18 43.69
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 76.61 α = 90 b = 128.81 β = 109.07 c = 107.64 γ = 90
Symmetry Space Group P 1 21 1
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 PIXEL DECTRIS PILATUS 6M Rh coated flat bent M0 2018-06-29 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRL BEAMLINE BL9-2 1.7388 SSRL BL9-2
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Rpim I (All) CC (Half) 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 2.27 79.84 90.7 0.114 0.14 0.079 0.984 9.7 5.8 82483
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Rpim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.27 2.31 95.3 0.383 0.471 0.269 0.901 3.8 5.6
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) 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) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R-VALUE 2MIN 2.27 47.311 1.34 82389 8174 90.53 0.1681 0.1637 0.1649 0.2077 0.2088
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 f_dihedral_angle_d 15.459 f_angle_d 0.791 f_chiral_restr 0.059 f_bond_d 0.007 f_plane_restr 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 15805 Nucleic Acid Atoms Solvent Atoms 1329 Heterogen Atoms 96
Software Software Software Name Purpose PHENIX refinement iMOSFLM data reduction Aimless data scaling