Crystal Structure of human FABP4 in complex with (1S,2S,5R)-3-(2-thiophen-3-ylacetyl)-3-azabicyclo[3.1.0]hexane-2-carboxylic acid, i.e. SMILES OC(=O)[C@@H]1[C@H]2C[C@H]2CN1C(=O)Cc3ccsc3 with IC50=1.7 microM
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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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 | |
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Matthews coefficient | Solvent content |
2.17 | 43.2 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 32.19 | α = 90 |
b = 53.666 | β = 90 |
c = 75.318 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
Diffraction
Diffraction Experiment | ||||||||||||||
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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 | 2011-10-22 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SLS BEAMLINE X10SA | 1.000000 | SLS | X10SA |
Data Collection
Overall | |||||||||||||||||||
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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 | 1.12 | 37.66 | 97.6 | 0.072 | 0.072 | 0.076 | 0.996 | 11.79 | 5.36 | 49470 | 13.949 |
Highest Resolution Shell | |||||||||||||||||||
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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 | 1.12 | 1.15 | 90.6 | 0.299 | 0.337 | 0.94 | 4.48 | 4.317 |
Refinement
Statistics | |||||||||||||||||||
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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 | 1.12 | 37.66 | 46055 | 2460 | 95.85 | 0.1421 | 0.1412 | 0.1425 | 0.1586 | 0.1593 | RANDOM | 11.13 |
Temperature Factor Modeling | ||||||
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Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
-0.19 | -0.38 | 0.57 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 28.079 |
r_dihedral_angle_4_deg | 18.72 |
r_sphericity_free | 13.966 |
r_dihedral_angle_3_deg | 12.036 |
r_sphericity_bonded | 8.43 |
r_dihedral_angle_1_deg | 6.327 |
r_rigid_bond_restr | 5.81 |
r_angle_refined_deg | 2.122 |
r_angle_other_deg | 1.407 |
r_chiral_restr | 0.129 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1040 |
Nucleic Acid Atoms | |
Solvent Atoms | 180 |
Heterogen Atoms | 27 |
Software
Software | |
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Software Name | Purpose |
XSCALE | data scaling |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
XDS | data reduction |
PHASER | phasing |