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ENERGETICS OF A HYDROGEN BOND (CHARGED AND NEUTRAL) AND OF A CATION-PI INTERACTION IN APOFLAVODOXIN
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1FTG PDB ENTRY 1FTG
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 9 3.2 M AMMONIUM SULPHATE, 0.1 M NA-K PHOSPHATE PH = 9.0. CRYSTALS OF
APOFLAVODOXIN APPEARED WITHIN 2 MONTHS.
Crystal Properties Matthews coefficient Solvent content 1.8 30.7
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 55.56 α = 90 b = 38.6 β = 90 c = 62.79 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 293 IMAGE PLATE MARRESEARCH M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RU200
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (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 20 91.8 0.051 0.095 6.1 4.6 8777 2
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2 2.11 63.2 0.055 0.197 3.1 4.2
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-Work (Depositor) R-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 1FTG 2 8 8242 499 91 0.181 0.257 RANDOM 14.52
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 x_dihedral_angle_d 25.79 x_scangle_it 2.5 x_mcangle_it 2 x_scbond_it 2 x_angle_deg 1.517 x_mcbond_it 1.5 x_improper_angle_d 1.343 x_bond_d 0.009 x_bond_d_na x_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation x_dihedral_angle_d 25.79 x_scangle_it 2.5 x_mcangle_it 2 x_scbond_it 2 x_angle_deg 1.517 x_mcbond_it 1.5 x_improper_angle_d 1.343 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 1326 Nucleic Acid Atoms Solvent Atoms 90 Heterogen Atoms 5
Software Software Software Name Purpose AMoRE phasing X-PLOR refinement MOSFLM data reduction CCP4 data scaling