4TLJ

Ultra-high resolution crystal structure of caprine Beta-lactoglobulin


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP6.82930.2 M 1,6-hexanediol, 0.2 M 1-butanol, 0.2 M (RS)-1,2-propanediol, 0.2 M 2-propanol, 0.2 M 1,4-butanediol, 0.2 M 1,3-propanediol, 10% (w/v) PEG 20000, 20% (v/v) PEG MME 550 and 100 mM MES/imidazole
Crystal Properties
Matthews coefficientSolvent content
2.1141.72

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 52.32α = 90
b = 54.58β = 107.31
c = 56.39γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray110CCDADSC QUANTUM 315r2014-04-09MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAUSTRALIAN SYNCHROTRON BEAMLINE MX20.9537Australian SynchrotronMX2

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Sym I (Observed)Rrim I (All)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
11.1753.83699.60.0810.0870.03212.27.2101724101724
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Rpim I (All)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.171.2399.10.6940.6940.2762.67.114688

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 REPLACEMENTTHROUGHOUT1bso1.1723.14101707204299.590.13220.13160.1591RANDOM15.438
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]
-0.07-0.04-0.120.18
RMS Deviations
KeyRefinement Restraint Deviation
r_sphericity_free45.944
r_dihedral_angle_2_deg32.275
r_dihedral_angle_3_deg12.954
r_dihedral_angle_4_deg10.93
r_sphericity_bonded10.557
r_dihedral_angle_1_deg6.472
r_mcangle_it1.923
r_angle_other_deg1.878
r_angle_refined_deg1.655
r_rigid_bond_restr1.569
RMS Deviations
KeyRefinement Restraint Deviation
r_sphericity_free45.944
r_dihedral_angle_2_deg32.275
r_dihedral_angle_3_deg12.954
r_dihedral_angle_4_deg10.93
r_sphericity_bonded10.557
r_dihedral_angle_1_deg6.472
r_mcangle_it1.923
r_angle_other_deg1.878
r_angle_refined_deg1.655
r_rigid_bond_restr1.569
r_mcbond_it1.417
r_mcbond_other1.412
r_chiral_restr0.097
r_bond_refined_d0.009
r_gen_planes_refined0.008
r_gen_planes_other0.004
r_bond_other_d0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2521
Nucleic Acid Atoms
Solvent Atoms478
Heterogen Atoms6

Software

Software
Software NamePurpose
MOSFLMdata reduction
SCALAdata scaling
MOLREPphasing
REFMACrefinement
PDB_EXTRACTdata extraction
Cootmodel building