7G10

Crystal Structure of human FABP4 binding site mutated to that of FABP3 in complex with 1-[(4-chloro-2-phenoxyphenyl)methyl]-4-hydroxypyridin-2-one

X-RAY DIFFRACTION

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	43.67

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 32.532	α = 90
b = 53.972	β = 90
c = 74.911	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		2011-02-26	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X10SA	0.999900	SLS	X10SA

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	1.26	37.46	98.1	0.071	0.078	0.999	12.15	5.714		35798			20.369

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	1.26	1.29	91.8		1.452	1.619	0.509	1.18	4.901

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	1.26	37.46	31841	1711	92.1	0.1664	0.164	0.2111	RANDOM	15.903

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]
2.91			-1.16		-1.75

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_3_deg	15.217
r_dihedral_angle_1_deg	6.205
r_rigid_bond_restr	5.936
r_dihedral_angle_2_deg	5.883
r_angle_refined_deg	2.127
r_mcangle_it	1.588
r_mcbond_it	1.3
r_mcbond_other	1.295
r_angle_other_deg	0.83
r_chiral_restr	0.116

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_3_deg	15.217
r_dihedral_angle_1_deg	6.205
r_rigid_bond_restr	5.936
r_dihedral_angle_2_deg	5.883
r_angle_refined_deg	2.127
r_mcangle_it	1.588
r_mcbond_it	1.3
r_mcbond_other	1.295
r_angle_other_deg	0.83
r_chiral_restr	0.116
r_bond_refined_d	0.02
r_gen_planes_refined	0.012
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1050
Nucleic Acid Atoms
Solvent Atoms	145
Heterogen Atoms	36

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 R01GM133198.