4NLJ

Crystal structure of sheep beta-lactoglobulin (space group P1)


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP72932.1M ammonium sulphate, 0.05M Tris-HCl, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.1141.6

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 36.18α = 70.4
b = 47.54β = 76.56
c = 50.24γ = 72.1
Symmetry
Space GroupP 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDAGILENT ATLAS CCD2013-07-09MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SEALED TUBEOXFORD DIFFRACTION ENHANCE ULTRA1.54

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
11.414.5496.60.03513.6584645665222
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.41.4894.50.4012.111292

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1QG51.414.545664353791285296.860.189310.187780.21788RANDOM14.826
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]
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg32.38
r_dihedral_angle_4_deg20.093
r_dihedral_angle_3_deg13.915
r_dihedral_angle_1_deg6.353
r_long_range_B_refined5.033
r_angle_refined_deg1.542
r_mcangle_it1.415
r_scbond_it1.337
r_mcbond_it0.84
r_chiral_restr0.099
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg32.38
r_dihedral_angle_4_deg20.093
r_dihedral_angle_3_deg13.915
r_dihedral_angle_1_deg6.353
r_long_range_B_refined5.033
r_angle_refined_deg1.542
r_mcangle_it1.415
r_scbond_it1.337
r_mcbond_it0.84
r_chiral_restr0.099
r_bond_refined_d0.009
r_gen_planes_refined0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2516
Nucleic Acid Atoms
Solvent Atoms386
Heterogen Atoms25

Software

Software
Software NamePurpose
CrysalisProdata collection
PHASERphasing
REFMACrefinement
CrysalisProdata reduction
SCALAdata scaling