7FFX

The 0.88 angstrom X-ray structure of the human heart fatty acid-binding protein complexed with alpha-llinolenic acid


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3WVM 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP2770.1M MES-NaOH (pH6.5), 55% PEG 400 or 0.1M Tris-HCl (pH8.0), 50% PEG 400
Crystal Properties
Matthews coefficientSolvent content
2.1643.1

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 54.691α = 90
b = 69.979β = 90
c = 33.614γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 2702014-02-04MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONPHOTON FACTORY BEAMLINE BL-17A0.94000Photon FactoryBL-17A

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)Rpim I (All)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
10.885099.40.0455.86.1102261
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Rpim I (All)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
10.880.90.2262.3

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT3WVM0.8828.6597088510999.360.116190.115740.12464RANDOM10.001
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]
0.23-0.19-0.04
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg44.554
r_dihedral_angle_3_deg15.341
r_rigid_bond_restr13.741
r_dihedral_angle_4_deg12.351
r_dihedral_angle_1_deg6.378
r_scbond_it5.543
r_scbond_other5.543
r_scangle_other4.704
r_long_range_B_refined4.247
r_long_range_B_other4.035
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg44.554
r_dihedral_angle_3_deg15.341
r_rigid_bond_restr13.741
r_dihedral_angle_4_deg12.351
r_dihedral_angle_1_deg6.378
r_scbond_it5.543
r_scbond_other5.543
r_scangle_other4.704
r_long_range_B_refined4.247
r_long_range_B_other4.035
r_angle_refined_deg2.345
r_mcangle_other1.833
r_mcangle_it1.822
r_angle_other_deg1.648
r_mcbond_it1.581
r_mcbond_other1.581
r_chiral_restr0.103
r_bond_refined_d0.024
r_gen_planes_refined0.013
r_bond_other_d0.01
r_gen_planes_other0.01
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
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1044
Nucleic Acid Atoms
Solvent Atoms209
Heterogen Atoms71

Software

Software
Software NamePurpose
REFMACrefinement
HKL-2000data reduction
HKL-2000data scaling
MOLREPphasing