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Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitors
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2WMW PDB ENTRY 2WMW
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 DL-MALIC ACID/PEG3350
Crystal Properties Matthews coefficient Solvent content 3 59
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 45.05 α = 90 b = 65.79 β = 94.25 c = 58.14 γ = 90
Symmetry Space Group P 1 21 1
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 RIGAKU CCD 2006-09-29 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU MICROMAX-007 HF
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 2.01 43.5 95.7 0.07 8.7 2.4 21735 1.5 28.61
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) 1 2.01 2.12 97.5 0.48 1.6 2.3
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 PDB ENTRY 2WMW 2.007 24.543 1.37 21716 1106 95.39 0.1788 0.1775 0.1711 0.2028 0.2015 36.7
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] -5.0805 1.0095 2.6035 2.4769
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 11.894 f_angle_d 0.697 f_chiral_restr 0.048 f_plane_restr 0.004 f_bond_d 0.003
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2018 Nucleic Acid Atoms Solvent Atoms 182 Heterogen Atoms 42
Software Software Software Name Purpose PHENIX refinement MOSFLM data reduction SCALA data scaling PHASER phasing