4IB8

Bovine beta-lactoglobulin (isoform A) in complex with dodecyl sulphate (SDS)


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1BSY 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.52931.34M TRISODIUM CITRATE, 0.1M TRIS-HCL BUFFER, PH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.4750.16

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 53.25α = 90
b = 53.25β = 90
c = 110.88γ = 120
Symmetry
Space GroupP 32 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray110CCDAGILENT ATLAS CCD2012-05-09MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SEALED TUBEOTHER1.54

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
12.314.8198.60.05410.88523840422
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)
12.32.4297.60.2572.21197

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 (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1BSY2.314.818387755783097.990.223510.216950.28519RANDOM38.223
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_deg43.51
r_dihedral_angle_3_deg19.044
r_dihedral_angle_4_deg7.587
r_dihedral_angle_1_deg6.418
r_angle_refined_deg1.405
r_chiral_restr0.085
r_bond_refined_d0.009
r_gen_planes_refined0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1256
Nucleic Acid Atoms
Solvent Atoms45
Heterogen Atoms17

Software

Software
Software NamePurpose
CrysalisProdata collection
MOLREPphasing
REFMACrefinement
CrysalisProdata reduction
SCALAdata scaling