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Crystal Structure of KSR1:MEK1 in complex with AMP-PNP, and allosteric MEK inhibitor APS-9-95-1
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2Y4I
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 293 PEG 2000, MES, pH 6.5, Magnesium acetate
Crystal Properties Matthews coefficient Solvent content 3.66 66.42
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 137 α = 90 b = 137 β = 90 c = 221 γ = 120
Symmetry Space Group P 61 2 2
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 80 CCD RAYONIX MX-300 2019-11-10 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 21-ID-F 1 APS 21-ID-F
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 3.62 49 93.7 1 16.46 12.55 13701 165.31
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 3.62 3.71 0.496
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) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R-VALUE 2Y4I 3.62 46.2 1.35 13697 679 93.67 0.2781 0.2767 0.2784 0.3033 0.2964
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 9.2672 f_angle_d 0.8745 f_chiral_restr 0.0491 f_plane_restr 0.0051 f_bond_d 0.0032
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4639 Nucleic Acid Atoms Solvent Atoms Heterogen Atoms 102
Software Software Software Name Purpose PHENIX refinement XDS data reduction XDS data scaling PHASER phasing