6GF9

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
2.5752.12

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 53.832α = 90
b = 53.832β = 90
c = 111.717γ = 120
Symmetry
Space GroupP 32 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 42000-07-21MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSRS BEAMLINE PX14.20.932SRSPX14.2

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (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
12.11091.40.0799.37.211533
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.1

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 DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT2.19.99982255690.290.199530.196880.24479RANDOM48.573
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]
0.10.050.1-0.32
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.661
r_dihedral_angle_3_deg17.789
r_dihedral_angle_1_deg8.532
r_long_range_B_refined6.797
r_long_range_B_other6.656
r_dihedral_angle_4_deg5.749
r_scangle_other3.873
r_mcangle_other3.813
r_mcangle_it3.812
r_scbond_it2.381
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.661
r_dihedral_angle_3_deg17.789
r_dihedral_angle_1_deg8.532
r_long_range_B_refined6.797
r_long_range_B_other6.656
r_dihedral_angle_4_deg5.749
r_scangle_other3.873
r_mcangle_other3.813
r_mcangle_it3.812
r_scbond_it2.381
r_scbond_other2.38
r_mcbond_it2.293
r_mcbond_other2.292
r_angle_refined_deg1.747
r_angle_other_deg0.534
r_chiral_restr0.048
r_bond_refined_d0.01
r_gen_planes_refined0.01
r_bond_other_d0.001
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 Atoms1272
Nucleic Acid Atoms
Solvent Atoms83
Heterogen Atoms19

Software

Software
Software NamePurpose
REFMACrefinement
DENZOdata reduction
SCALAdata scaling
MOLREPphasing