7FW8

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

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
2.19	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	R-Free	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	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

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.