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Crystal Structure of human FABP4 binding site mutated to that of FABP5 in complex with 5-cyclohexyl-6-(2,2,2-trifluoroethoxy)-2-(trifluoromethyl)pyridine-3-carboxylic acid, i.e. SMILES c1(c(nc(c(c1)C(=O)O)C(F)(F)F)OCC(F)(F)F)C1CCCCC1 with IC50=0.733066 microM
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details other inhouse model
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7 293 protein in 25mM Tris/HCl pH 7.5 100mM NaCl, see also PMID 27658368
Crystal Properties Matthews coefficient Solvent content 2.03 39.48
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 32.03 α = 90 b = 52.808 β = 90 c = 72.159 γ = 90
Symmetry Space Group P 2 21 21
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 PSI PILATUS 6M 2012-03-23 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SLS BEAMLINE X10SA 0.999870 SLS X10SA
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym 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 1.24 36.08 97.1 0.061 0.061 0.065 0.999 13.46 6.13 34508 17.954
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 1.24 1.27 78.5 0.847 0.943 0.638 1.79 4.806
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model 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 inhouse model 1.24 36.08 31860 1705 94.59 0.1386 0.1364 0.136 0.1799 0.1793 RANDOM 15.295
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] 0.12 -0.07 -0.05
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.917 r_sphericity_free 20.493 r_dihedral_angle_4_deg 15.964 r_dihedral_angle_3_deg 12.126 r_sphericity_bonded 10.505 r_dihedral_angle_1_deg 6.498 r_rigid_bond_restr 4.494 r_angle_refined_deg 2.009 r_angle_other_deg 0.898 r_chiral_restr 0.141
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.917 r_sphericity_free 20.493 r_dihedral_angle_4_deg 15.964 r_dihedral_angle_3_deg 12.126 r_sphericity_bonded 10.505 r_dihedral_angle_1_deg 6.498 r_rigid_bond_restr 4.494 r_angle_refined_deg 2.009 r_angle_other_deg 0.898 r_chiral_restr 0.141 r_bond_refined_d 0.018 r_gen_planes_refined 0.01 r_bond_other_d 0.001 r_gen_planes_other 0.001
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1012 Nucleic Acid Atoms Solvent Atoms 154 Heterogen Atoms 51
Software Software Software Name Purpose XSCALE data scaling REFMAC refinement PDB_EXTRACT data extraction XDS data reduction PHASER phasing