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FLAVODOXINS THAT ARE REQUIRED FOR ENZYME ACTIVATION: THE STRUCTURE OF OXIDIZED FLAVODOXIN FROM ESCHERICHIA COLI AT 1.8 ANGSTROMS RESOLUTION.
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1OFV PDB ENTRY 1OFV
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 7 295 PROTEIN WAS CRYSTALLIZED BY MICROSEEDING IN 40% MPD, 100 MM CACL2, 20 MM BIS-TRIS, 10 MM IMIDAZOLE, PH 7.0, 295 K.
Crystal Properties Matthews coefficient Solvent content 2.2 44.1
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 126.4 α = 90 b = 41.1 β = 90 c = 68.15 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 140 AREA DETECTOR XUONG-HAMLIN MULTIWIRE COLLIMATOR 1994-12-02 M
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RUH2R
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 1.8 35 97.1 0.072 26.3 6.6 32752 15.7
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) 1.8 1.88 93.4 0.166 5.9 3.8
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 Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT A POSTERIORI PDB ENTRY 1OFV 1.8 10 32072 3203 95.7 0.196 0.196 0.1726 0.25 RANDOM 25
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] 3.8865 0.4394 3.4471
RMS Deviations Key Refinement Restraint Deviation x_dihedral_angle_d 23.8 x_scangle_it 13.79 x_mcangle_it 3.44 x_scbond_it 2.99 x_mcbond_it 2.65 x_angle_deg 1.5 x_improper_angle_d 1.28 x_bond_d 0.009 x_bond_d_na x_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation x_dihedral_angle_d 23.8 x_scangle_it 13.79 x_mcangle_it 3.44 x_scbond_it 2.99 x_mcbond_it 2.65 x_angle_deg 1.5 x_improper_angle_d 1.28 x_bond_d 0.009 x_bond_d_na x_bond_d_prot x_angle_d x_angle_d_na x_angle_d_prot x_angle_deg_na x_angle_deg_prot x_dihedral_angle_d_na x_dihedral_angle_d_prot x_improper_angle_d_na x_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2770 Nucleic Acid Atoms Solvent Atoms 354 Heterogen Atoms 100
Software Software Software Name Purpose X-PLOR model building X-PLOR refinement SDMS data reduction SDMS data scaling X-PLOR phasing