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The structural basis of aldo-keto reductase 1C3 inhibition by 17alpha-picolyl and 17(E)-picolinylidene androstane derivatives
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1ZQ5
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.5 291 10% w/v PEG 20 000, 20% v/v PEG MME 550, 0.1 M MES/imidazole pH 6.5, 0.03 M of each halide (sodium fluoride, sodium bromide and sodium iodide)
Crystal Properties Matthews coefficient Solvent content 2.12 42.08
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 41.17 α = 77.71 b = 53.52 β = 85.61 c = 75.62 γ = 76.06
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 300K VariMax VHF Arc Sec confocal optical system 2018-07-25 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU MICROMAX-007 HF 1.54187
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) 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 1.7 46.49 83.1 0.084 0.099 0.996 8.7 3.34 55988 28.445
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.7 1.74 98.1 0.832 1.103 0.475 1.01 1.858
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 (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 1.7 46.49 54868 1120 83.15 0.1869 0.1862 0.2047 0.2212 0.235 RANDOM 23.608
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] -0.57 0.35 -0.03 0.76 -0.2 -0.18
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 36.547 r_dihedral_angle_4_deg 16.463 r_dihedral_angle_3_deg 13.728 r_dihedral_angle_1_deg 6.778 r_angle_other_deg 2.292 r_angle_refined_deg 1.733 r_chiral_restr 0.088 r_bond_other_d 0.034 r_gen_planes_other 0.014 r_bond_refined_d 0.01
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 36.547 r_dihedral_angle_4_deg 16.463 r_dihedral_angle_3_deg 13.728 r_dihedral_angle_1_deg 6.778 r_angle_other_deg 2.292 r_angle_refined_deg 1.733 r_chiral_restr 0.088 r_bond_other_d 0.034 r_gen_planes_other 0.014 r_bond_refined_d 0.01 r_gen_planes_refined 0.01
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 5108 Nucleic Acid Atoms Solvent Atoms 581 Heterogen Atoms 165
Software Software Software Name Purpose XDS data reduction XSCALE data scaling PHASER phasing REFMAC refinement PDB_EXTRACT data extraction