1TOW

Crystal structure of human adipocyte fatty acid binding protein in complex with a carboxylic acid ligand

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	293	PEG2000, DMSO, TRIS, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.08	41

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 72.05	α = 90
b = 53.045	β = 90
c = 31.782	γ = 90

Symmetry
Space Group	P 21 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	IMAGE PLATE	RIGAKU RAXIS IV		2000-11-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU	1.5418

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	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	2	25	93.2	0.058	55.9	4.3		8190

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2	2.07	67.2		0.165	7		577

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	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	FOURIER SYNTHESIS	THROUGHOUT	2	15	7757	7757	368	93.78	0.19151	0.18848	0.25651	RANDOM	20.363

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]
-0.7			-1.28		1.98

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.496
r_dihedral_angle_4_deg	18.525
r_dihedral_angle_3_deg	13.772
r_dihedral_angle_1_deg	6.012
r_scangle_it	2.79
r_scbond_it	1.672
r_angle_refined_deg	1.288
r_mcangle_it	1.192
r_mcbond_it	0.764
r_nbtor_refined	0.3

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.496
r_dihedral_angle_4_deg	18.525
r_dihedral_angle_3_deg	13.772
r_dihedral_angle_1_deg	6.012
r_scangle_it	2.79
r_scbond_it	1.672
r_angle_refined_deg	1.288
r_mcangle_it	1.192
r_mcbond_it	0.764
r_nbtor_refined	0.3
r_symmetry_vdw_refined	0.285
r_nbd_refined	0.189
r_xyhbond_nbd_refined	0.165
r_symmetry_hbond_refined	0.126
r_chiral_restr	0.075
r_bond_refined_d	0.01
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1022
Nucleic Acid Atoms
Solvent Atoms	174
Heterogen Atoms	19

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	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.