6GE7

Thermodynamic, Crystallographic and Computational Studies of Non Mammalian Fatty Acid Binding to Bovine b-Lactoglobulin


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.5293.2protein 20 mg/mL, ligand 10mM, 20mM Tris buffer, pH 8, which were mixed with 4 microliter of well solution. Drops were equilibrated against 1 mL of well solution containing 1.43 M sodium citrate and 0.1M Hepes, pH 7.5
Crystal Properties
Matthews coefficientSolvent content
2.5752.22

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 53.999α = 90
b = 53.999β = 90
c = 111.929γ = 120
Symmetry
Space GroupP 32 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMAR CCD 165 mm2000-07-27MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSRS BEAMLINE PX9.51.2SRSPX9.5

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)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
12.32598.918.39.48916
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.32.34

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (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 DIFFRACTIONTHROUGHOUT2.324.33831741898.360.194560.191910.24778RANDOM47.083
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]
-0.27-0.14-0.270.88
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.752
r_dihedral_angle_3_deg16.499
r_dihedral_angle_4_deg14.511
r_dihedral_angle_1_deg8.078
r_long_range_B_refined6.23
r_long_range_B_other6.114
r_mcangle_it3.527
r_mcangle_other3.525
r_scangle_other3.46
r_mcbond_it2.082
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.752
r_dihedral_angle_3_deg16.499
r_dihedral_angle_4_deg14.511
r_dihedral_angle_1_deg8.078
r_long_range_B_refined6.23
r_long_range_B_other6.114
r_mcangle_it3.527
r_mcangle_other3.525
r_scangle_other3.46
r_mcbond_it2.082
r_mcbond_other2.08
r_scbond_it2.06
r_scbond_other2.059
r_angle_refined_deg1.534
r_angle_other_deg0.499
r_chiral_restr0.065
r_bond_refined_d0.011
r_gen_planes_refined0.009
r_bond_other_d0.003
r_gen_planes_other0.001
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_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1280
Nucleic Acid Atoms
Solvent Atoms77
Heterogen Atoms21

Software

Software
Software NamePurpose
REFMACrefinement
DENZOdata reduction
SORTRFdata scaling
MOLREPphasing