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Structural basis of tubulin and heterocyclic podophyllotoxins complex for anticancer agents with dual-binding sites
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details in silico model AlphaFold
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION 277 6% PEG4000, 6% glycerol, 30 mM MgCl2, 30 mM CaCl2, 100 mM MES-Na
Crystal Properties Matthews coefficient Solvent content 2.98 58.71
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 104.572 α = 90 b = 157.618 β = 90 c = 179.348 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 PIXEL DECTRIS PILATUS 6M 2021-07-07 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRF BEAMLINE BL02U1 0.987 SSRF BL02U1
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 2.7 50 97.73 0.9 39.91 6.7 80188 39.92
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 2.7 2.796 0.8
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method 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 FREE R-VALUE 2.7 47.83 1.37 80152 4014 97.74 0.1996 0.1972 0.1973 0.2454 0.2453 45.01
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 18.841 f_angle_d 1.0647 f_chiral_restr 0.0592 f_bond_d 0.0089 f_plane_restr 0.0083
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 16809 Nucleic Acid Atoms Solvent Atoms 132 Heterogen Atoms 229
Software Software Software Name Purpose PHENIX refinement PHENIX refinement HKL-3000 data reduction HKL-3000 data scaling PHASER phasing