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Crystal structure of the phosphorylation-site mutant T426N of the KaiC circadian clock protein
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2GBL
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 4 291 SODIUM FORMATE, GLYCEROL, pH 4, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Crystal Properties Matthews coefficient Solvent content 2.65 53.59
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 132.5 α = 90 b = 135.83 β = 90 c = 204.32 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 113.15 CCD MAR 300MM CCD 2008-04-09 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 21-ID-G APS 21-ID-G
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 3.2 30 92.9 0.07 14.7 57564
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) 3.2 3.3 81.2 0.487 2.8
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) R-Free (DCC) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT 2GBL 3.2 30 4762 52418 5312 85.3 0.25 0.25 0.2393 0.32 0.3119 82.88
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] -14.841 -8.196 23.037
RMS Deviations Key Refinement Restraint Deviation c_mcangle_it 2.825 c_scangle_it 2.663 c_scbond_it 1.556 c_mcbond_it 1.553 c_bond_d 0.009 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot
RMS Deviations Key Refinement Restraint Deviation c_mcangle_it 2.825 c_scangle_it 2.663 c_scbond_it 1.556 c_mcbond_it 1.553 c_bond_d 0.009 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg c_angle_deg_na c_angle_deg_prot c_dihedral_angle_d c_dihedral_angle_d_na c_dihedral_angle_d_prot c_improper_angle_d c_improper_angle_d_na c_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 23440 Nucleic Acid Atoms Solvent Atoms 65 Heterogen Atoms 392
Software Software Software Name Purpose HKL-2000 data collection CNS refinement HKL-2000 data reduction XSCALE data scaling