3WBG

Structure of the human heart fatty acid-binding protein in complex with 1-anilinonaphtalene-8-sulphonic acid

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6	293	100mM MES, 30% PEG3350, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
1.78	30.86

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 127.157	α = 90
b = 29.359	β = 112.47
c = 140.689	γ = 90

Symmetry
Space Group	C 1 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	RAYONIX MX-225			M	SINGLE WAVELENGTH
2	1	x-ray	100	CCD	RAYONIX MX-225			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SPRING-8 BEAMLINE BL44XU	0.9	SPring-8	BL44XU
2	SYNCHROTRON	SPRING-8 BEAMLINE BL38B1	0.9	SPring-8	BL38B1

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	2.14	50	90	0.063	7.7	3.6		24494	1	1

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	2.15	29.85	24208	1220	89.78	0.2214	0.2176	0.2912	RANDOM	29.0587

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]
-0.11		-0.02	0.05		0.04

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.712
r_dihedral_angle_4_deg	19.039
r_dihedral_angle_3_deg	17.56
r_dihedral_angle_1_deg	6.536
r_scangle_it	3.855
r_scbond_it	2.555
r_angle_refined_deg	1.821
r_mcangle_it	1.677
r_mcbond_it	0.917
r_chiral_restr	0.111
r_bond_refined_d	0.018
r_gen_planes_refined	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4152
Nucleic Acid Atoms
Solvent Atoms	174
Heterogen Atoms	84

Software

Software
Software Name	Purpose
SCALEPACK	data scaling
MOLREP	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
DENZO	data reduction