7G1R

Crystal Structure of human FABP4 in complex with 2-[(3-ethoxycarbonylthiophen-2-yl)carbamoyl]cyclopentene-1-carboxylic acid, i.e. SMILES C1(=C(C=CS1)C(=O)OCC)NC(=O)C1=C(C(=O)O)CCC1 with IC50=1.4 microM

X-RAY DIFFRACTION

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
2.18	43.52

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 32.387	α = 90
b = 53.73	β = 90
c = 75.205	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		2011-12-11	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X10SA	0.700030	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	0.93	37.6	98.7	0.036	0.036	0.039	1	18.44	6.48		87848			12.006

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	0.93	0.95	96.8		1.447	1.572	0.527	1.23	6.511

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	inhouse model	0.93	37.61	80698	4304	95.63	0.1402	0.1393	0.1573	RANDOM	12.897

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]
0.45			-0.38		-0.07

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.765
r_sphericity_free	22.695
r_dihedral_angle_4_deg	17.351
r_dihedral_angle_3_deg	14.572
r_sphericity_bonded	8.776
r_dihedral_angle_1_deg	6.929
r_rigid_bond_restr	4.129
r_angle_refined_deg	2.041
r_angle_other_deg	0.823
r_chiral_restr	0.119

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.765
r_sphericity_free	22.695
r_dihedral_angle_4_deg	17.351
r_dihedral_angle_3_deg	14.572
r_sphericity_bonded	8.776
r_dihedral_angle_1_deg	6.929
r_rigid_bond_restr	4.129
r_angle_refined_deg	2.041
r_angle_other_deg	0.823
r_chiral_restr	0.119
r_bond_refined_d	0.02
r_gen_planes_refined	0.009
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1046
Nucleic Acid Atoms
Solvent Atoms	234
Heterogen Atoms	48

Software

Software
Software Name	Purpose
XSCALE	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
XDS	data reduction
PHASER	phasing

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.