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Crystal Structure of human FABP4 binding site mutated to that of FABP3 in complex with 6-chloro-2-methyl-4-phenylquinoline-3-carboxylic acid, i.e. SMILES c1(c(c2c(nc1C)ccc(c2)Cl)c1ccccc1)C(=O)O with IC50=0.275 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 2.19 43.85
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 32.555 α = 90 b = 54.149 β = 90 c = 74.859 γ = 90
Symmetry Space Group P 21 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 2011-03-13 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SLS BEAMLINE X10SA 1.000000 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 1.16 37.43 99.2 0.08 0.08 0.089 0.999 8.74 6.15 46351 17.53
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 1.16 1.19 97.9 1.889 2.061 0.566 1.11 6.133
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-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT inhouse model 1.16 37.43 40954 2211 92.53 0.1735 0.1711 0.2194 0.2239 RANDOM 14.927
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] 1.57 -0.78 -0.79
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 39.112 r_sphericity_free 19.117 r_dihedral_angle_4_deg 16.3 r_dihedral_angle_3_deg 13.646 r_sphericity_bonded 9.156 r_dihedral_angle_1_deg 6.311 r_rigid_bond_restr 5.513 r_angle_refined_deg 2.076 r_angle_other_deg 1.392 r_chiral_restr 0.123
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 39.112 r_sphericity_free 19.117 r_dihedral_angle_4_deg 16.3 r_dihedral_angle_3_deg 13.646 r_sphericity_bonded 9.156 r_dihedral_angle_1_deg 6.311 r_rigid_bond_restr 5.513 r_angle_refined_deg 2.076 r_angle_other_deg 1.392 r_chiral_restr 0.123 r_bond_refined_d 0.023 r_gen_planes_refined 0.01 r_gen_planes_other 0.004 r_bond_other_d 0.001
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1050 Nucleic Acid Atoms Solvent Atoms 144 Heterogen Atoms 35
Software Software Software Name Purpose XSCALE data scaling REFMAC refinement PDB_EXTRACT data extraction XDS data reduction PHASER phasing