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Structure of Human ROS1 Kinase Domain in Complex with Crizotinib
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2XP2 PDB ENTRY 2XP2
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 5.6 286 CRYSTALS WERE OBTAINED BY THE HANGING DROP VAPOR DIFFUSION METHOD AT 13 DEGREES C BY MIXING 1.5 MICROLITERS OF SOLUTION CONTAINING A 1:3 MOLAR RATIO OF PHOSPHORYLATED ROS1 KD (12.2MG/ML) TO CRIZOTINIB AND 1.5 MICROLITERS OF RESERVOIR SOLUTION CONTAINING 25% (W/V) PEG 3350, 0.6M POTASSIUM THIOCYANATE AND 0.1M SODIUM CITRATE TRIBASIC DIHYDRATE, PH5.6. CRYSTALS WERE FLASH-FROZEN IN LIQUID NITROGEN AFTER TRANSFER TO 2 MICROLITERS OF RESERVOIR SOLUTION CONTAINING 25% (V/V) GLYCEROL AS A CRYOPROTECTANT.
Crystal Properties Matthews coefficient Solvent content 2.74 55.1
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 106.854 α = 90 b = 106.854 β = 90 c = 50.357 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 87 CCD MARRESEARCH 2012-05-09 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON CLSI BEAMLINE 08ID-1 CLSI 08ID-1
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 2.12 50 100 0.06 31 7.88 18796 33.9
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 2.12 2.2 100 0.59 3.7 7.4
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (All) 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 PDB ENTRY 2XP2 2.2 44.23 16863 16486 796 97.7 0.236 0.233 0.2304 0.282 0.2746 RANDOM 52.5
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] -1.63 2.53 -1.63 3.26
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 21.2 c_scangle_it 3.22 c_mcangle_it 2.66 c_scbond_it 2.24 c_mcbond_it 1.63 c_angle_deg 0.9 c_improper_angle_d 0.67 c_bond_d 0.006 c_bond_d_na c_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 21.2 c_scangle_it 3.22 c_mcangle_it 2.66 c_scbond_it 2.24 c_mcbond_it 1.63 c_angle_deg 0.9 c_improper_angle_d 0.67 c_bond_d 0.006 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na c_angle_deg_prot c_dihedral_angle_d_na c_dihedral_angle_d_prot c_improper_angle_d_na c_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2260 Nucleic Acid Atoms Solvent Atoms 137 Heterogen Atoms 30
Software Software Software Name Purpose CNX refinement HKL-2000 data reduction SCALEPACK data scaling CNX phasing