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Structure-activity-relationship studies of guanidine-based ALDH1B1 inhibitors
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 7RAD
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 289 PEG 4000, Glycerol, ethyleneglycol, bicine/tris
Crystal Properties Matthews coefficient Solvent content 2.64 53.5
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 102.406 α = 90 b = 102.406 β = 90 c = 190.405 γ = 120
Symmetry Space Group P 32 2 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 PIXEL DECTRIS EIGER2 XE 16M Kirkpatrick-Baez (KB) optical mirrors 2020-05-06 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRL BEAMLINE BL12-1 0.97946 SSRL BL12-1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (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 2.27 36.35 98.1 0.041 0.999 10.4 2.9 52820
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.27 2.39 99 0.847 0.67 1.3 2.9
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) 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 2.27 30.688 52750 2771 97.415 0.242 0.2393 0.2393 0.2818 0.2819 Random selection 75.745
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] 1.569 0.784 1.569 -5.089
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_3_deg 11.663 r_dihedral_angle_6_deg 9.422 r_dihedral_angle_1_deg 5.77 r_lrange_it 5.46 r_dihedral_angle_2_deg 2.881 r_scangle_it 2.476 r_mcangle_it 2.12 r_scbond_it 1.426 r_mcbond_it 1.246 r_angle_refined_deg 1.055
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_3_deg 11.663 r_dihedral_angle_6_deg 9.422 r_dihedral_angle_1_deg 5.77 r_lrange_it 5.46 r_dihedral_angle_2_deg 2.881 r_scangle_it 2.476 r_mcangle_it 2.12 r_scbond_it 1.426 r_mcbond_it 1.246 r_angle_refined_deg 1.055 r_nbtor_refined 0.296 r_nbd_refined 0.177 r_metal_ion_refined 0.143 r_symmetry_nbd_refined 0.119 r_xyhbond_nbd_refined 0.105 r_chiral_restr 0.08 r_symmetry_xyhbond_nbd_refined 0.047 r_bond_refined_d 0.002 r_gen_planes_refined 0.002
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 7677 Nucleic Acid Atoms Solvent Atoms 122 Heterogen Atoms 156
Software Software Software Name Purpose REFMAC refinement XDS data reduction SCALA data scaling PHASER phasing