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LOCALIZED UNFOLDING AT THE JUNCTION OF THREE FERRITIN SUBUNITS. A MECHANISM FOR IRON RELEASE?
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1FHA
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 4.6 pH 4.6
Crystal Properties Matthews coefficient Solvent content 3.6 63
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 182.8 α = 90 b = 182.8 β = 90 c = 182.8 γ = 90
Symmetry Space Group F 4 3 2
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 120 CCD AREA DETECTOR SIEMENS COLLIMATOR 1998-02-18 M
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X12C NSLS X12C
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 1.8 99.2 0.078 0.078 37 60 1179393 2 30.5
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 1.81 1.89 98.1 0.107 0.107 0.8 50
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) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 1FHA 1.85 40 2 21668 2400 98 0.207 0.207 0.2104 0.233 0.2401 RANDOM 30.3
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 20.1 x_scangle_it 7.6 x_scbond_it 5 x_mcangle_it 3.6 x_angle_deg 2.5 x_mcbond_it 2.5 x_improper_angle_d 0.93 x_bond_d 0.012 x_bond_d_na x_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation x_dihedral_angle_d 20.1 x_scangle_it 7.6 x_scbond_it 5 x_mcangle_it 3.6 x_angle_deg 2.5 x_mcbond_it 2.5 x_improper_angle_d 0.93 x_bond_d 0.012 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 1234 Nucleic Acid Atoms Solvent Atoms 32 Heterogen Atoms 1
Software Software Software Name Purpose X-PLOR model building X-PLOR refinement DENZO data reduction SCALEPACK data scaling X-PLOR phasing