7G20

Crystal Structure of human FABP4 in complex with 1-[(4-methoxyphenyl)methyl]-5-propan-2-yl-5-prop-2-enyl-1,3-diazinane-2,4,6-trione, i.e. SMILES [C@]1(C(=O)N(Cc2ccc(cc2)OC)C(=O)NC1=O)(CC=C)C(C)C with IC50=1.1 microM


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
otherinhouse model

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7293protein in 25mM Tris/HCl pH 7.5 100mM NaCl, see also PMID 27658368
Crystal Properties
Matthews coefficientSolvent content
2.2144.23

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 32.628α = 90
b = 53.936β = 90
c = 75.312γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELPSI PILATUS 6M2011-12-08MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSLS BEAMLINE X10SA1.000020SLSX10SA

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)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
11.1237.6698.70.0550.0550.0520.99817.165.645103714.957
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)RedundancyNumber Unique Reflections (All)
11.121.1587.90.350.3960.924.754.461

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTinhouse model1.1237.6647606253097.090.14430.1430.1675RANDOM14.755
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]
0.41-0.25-0.16
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg32.173
r_sphericity_free18.082
r_dihedral_angle_4_deg16.18
r_dihedral_angle_3_deg12.017
r_sphericity_bonded9.983
r_dihedral_angle_1_deg6.365
r_rigid_bond_restr5.995
r_angle_refined_deg2.315
r_angle_other_deg0.907
r_chiral_restr0.144
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg32.173
r_sphericity_free18.082
r_dihedral_angle_4_deg16.18
r_dihedral_angle_3_deg12.017
r_sphericity_bonded9.983
r_dihedral_angle_1_deg6.365
r_rigid_bond_restr5.995
r_angle_refined_deg2.315
r_angle_other_deg0.907
r_chiral_restr0.144
r_bond_refined_d0.024
r_gen_planes_refined0.011
r_bond_other_d0.001
r_gen_planes_other0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1040
Nucleic Acid Atoms
Solvent Atoms173
Heterogen Atoms63

Software

Software
Software NamePurpose
XSCALEdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction
XDSdata reduction
PHASERphasing