4TKB

The 0.86 angstrom X-ray structure of the human heart fatty acid-binding protein complexed with lauric acid

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8	293	0.1M Tris-HCl, 55%(v/v) PEG400

Crystal Properties
Matthews coefficient	Solvent content
2.17	43.2

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 54.479	α = 90
b = 69.765	β = 90
c = 33.837	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	CCD	RAYONIX MX-225		2012-10-12	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SPRING-8 BEAMLINE BL44XU	0.8000	SPring-8	BL44XU

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	0.86	50	98	9.8	12		107896

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)
1	0.86	0.87	82		0.392	2.3	5.4

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	FOURIER SYNTHESIS	THROUGHOUT	0.86	42.94	102442	5393	97.96	0.10921	0.10862	0.12069	RANDOM	10.42

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]
0.06			-0.05		-0.02

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	47.46
r_sphericity_free	21.4
r_dihedral_angle_4_deg	18.634
r_dihedral_angle_3_deg	15.788
r_sphericity_bonded	7.645
r_rigid_bond_restr	7.433
r_dihedral_angle_1_deg	6.65
r_long_range_B_refined	3.939
r_long_range_B_other	3.468
r_scangle_other	3.141
r_scbond_other	3.14
r_scbond_it	3.139
r_angle_refined_deg	2.65
r_mcangle_it	1.656
r_mcangle_other	1.656
r_angle_other_deg	1.558
r_mcbond_it	1.293
r_mcbond_other	1.273
r_chiral_restr	0.121
r_bond_refined_d	0.023
r_gen_planes_refined	0.012
r_gen_planes_other	0.004
r_bond_other_d	0.003
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1044
Nucleic Acid Atoms
Solvent Atoms	193
Heterogen Atoms	49

Software

Software
Software Name	Purpose
REFMAC	refinement