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Crystal Structure of Cyanobacterial Circadian Clock Protein KaiC
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 EVAPORATION 7 313 sodium/pottasium tartrae, sodium acetate, KCl
Crystal Properties Matthews coefficient Solvent content 2 38.48
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 94.582 α = 90 b = 94.582 β = 90 c = 179.858 γ = 120
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 2015-09-30 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SPRING-8 BEAMLINE BL44XU 0.9 SPring-8 BL44XU
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) CC (Half) 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 2.4 30 100 0.997 36.4 14.3 35578
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.4 2.44 0.793
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-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 2GBL 2.4 29.29 33848 1680 99.87 0.2687 0.2667 0.2675 0.3102 0.3057 RANDOM 50.809
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] -3.79 -1.89 -3.79 12.28
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.769 r_dihedral_angle_3_deg 21.956 r_dihedral_angle_4_deg 19.85 r_dihedral_angle_1_deg 6.224 r_angle_refined_deg 1.248 r_angle_other_deg 1.127 r_chiral_restr 0.033 r_gen_planes_refined 0.003 r_bond_refined_d 0.002 r_bond_other_d 0.001
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.769 r_dihedral_angle_3_deg 21.956 r_dihedral_angle_4_deg 19.85 r_dihedral_angle_1_deg 6.224 r_angle_refined_deg 1.248 r_angle_other_deg 1.127 r_chiral_restr 0.033 r_gen_planes_refined 0.003 r_bond_refined_d 0.002 r_bond_other_d 0.001 r_gen_planes_other 0.001
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 6625 Nucleic Acid Atoms Solvent Atoms 56 Heterogen Atoms 128
Software Software Software Name Purpose REFMAC refinement PDB_EXTRACT data extraction HKL-2000 data reduction HKL-2000 data scaling MOLREP phasing