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Crystal structure of Ctf19-Mcm21 kinetochore assembly bound with Ctf19-Mcm21 binding motif of central kinetochore subunit Okp1
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3ZXU
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 293 35 % (v/v) glycerol ethoxylate
200 mM Li-citrate
Crystal Properties Matthews coefficient Solvent content 3.1 60
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 93.342 α = 90 b = 105.476 β = 90 c = 122.982 γ = 90
Symmetry Space Group P 2 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 ADSC QUANTUM 315 Kirkpatrick-Baez mirrors 2014-07-10 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 24-ID-E 0.97918 APS 24-ID-E
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Rpim I (All) 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 2.1 122.98 99.9 0.098 0.073 0.998 10.1 5.3 71441 45.6
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rpim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.1 2.15 99.9 3.446 2.533 0.192 0.5 5.4
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 FREE R-VALUE 3ZXU 2.1 80.063 1.04 71210 3247 97.96 0.2223 0.2217 0.2199 0.2483 0.2462 Random selection 49.4
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 f_dihedral_angle_d 8.659 f_angle_d 0.456 f_chiral_restr 0.041 f_bond_d 0.002 f_plane_restr 0.002
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 6107 Nucleic Acid Atoms Solvent Atoms 338 Heterogen Atoms
Software Software Software Name Purpose PHENIX refinement XDS data reduction Aimless data scaling PHASER phasing