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Directing Noble Metal Ion Chemistry within a Designed Ferritin Protein. The Complex with Gold ions. Ferritin H8-H9x Mutant
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2Z6M 2Z6M; one monomer
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 4.6 298 Protein solution (11.0 mG/mL H8 in unbuffered 3.0MM NaN3), 2.5mL of precipitant buffer (0.1 M sodium acetate (PH 4.6), 20%(V/V) isopropanol, 0.2M CaCl2), VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K. Soaking crystals were performed using a mother liquor (no calcium ions) with the addition of 0.5 mM AuCl3 for one week.
Crystal Properties Matthews coefficient Solvent content 3.06 59.86
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 181.564 α = 90 b = 181.564 β = 90 c = 181.564 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 100 CCD ADSC QUANTUM 270 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON CHESS BEAMLINE A1 0.98066 CHESS A1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge 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 2.8 50 98.8 0.128 14.1 5.1 6736 6736 46.3
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.8 2.9 98.8 0.38 3.2 4.1
Refinement Statistics Diffraction ID Structure Solution 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) Mean Isotropic B X-RAY DIFFRACTION FOURIER SYNTHESIS 2Z6M; one monomer 2.795 34.942 0.13 6191 229 91.08 0.2237 0.2217 0.229 0.2751 26.062
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] -5.318 -5.318 -5.318
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 20.599 f_angle_d 0.918 f_chiral_restr 0.065 f_bond_d 0.006 f_plane_restr 0.003
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1402 Nucleic Acid Atoms Solvent Atoms 52 Heterogen Atoms 6
Software Software Software Name Purpose PHENIX refinement CNS refinement ADSC data collection HKL-2000 data reduction SCALEPACK data scaling CNS phasing