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Crystal structure of the ankyrin binding domain of human erythroid beta spectrin (repeats 13-15) in complex with the spectrin binding domain of human erythroid ankyrin (ZU5-ANK), EMTS derivative
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3F57 PDB entries 3F57, 3F59 experimental model PDB 3F59 PDB entries 3F57, 3F59
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.5 283 Protein complex at 7.5 mg/mL mixed 1:1 with 0.05 M MES pH 6.5, 0.2 M ammonium acetate, 0.01 M calcium chloride, 10% PEG-4000, VAPOR DIFFUSION, HANGING DROP, temperature 283K
Crystal Properties Matthews coefficient Solvent content 2.78 55.74
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 90.13 α = 90 b = 98.54 β = 90 c = 137.93 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 100 CCD RAYONIX MX-225 2008-11-07 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 21-ID-F 0.97872 APS 21-ID-F
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 2.75 40 99.8 0.058 16 4.9 32653 32570 27.8
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 2.75 2.87 100 0.288 4.4 5
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-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION SAD THROUGHOUT PDB entries 3F57, 3F59 2.75 37.82 30815 1676 99.8 0.22797 0.2253 0.27724 0.2863 RANDOM 59.628
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] -0.17 -0.28 0.45
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.177 r_dihedral_angle_4_deg 23.306 r_dihedral_angle_3_deg 18.195 r_dihedral_angle_1_deg 8.648 r_scangle_it 5.301 r_scbond_it 3.294 r_mcangle_it 2.025 r_angle_refined_deg 1.644 r_mcbond_it 0.938 r_chiral_restr 0.111
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.177 r_dihedral_angle_4_deg 23.306 r_dihedral_angle_3_deg 18.195 r_dihedral_angle_1_deg 8.648 r_scangle_it 5.301 r_scbond_it 3.294 r_mcangle_it 2.025 r_angle_refined_deg 1.644 r_mcbond_it 0.938 r_chiral_restr 0.111 r_bond_refined_d 0.016 r_gen_planes_refined 0.007
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 7117 Nucleic Acid Atoms Solvent Atoms Heterogen Atoms 8
Software Software Software Name Purpose MAR345 data collection SHARP phasing REFMAC refinement XDS data reduction SCALA data scaling