5DLA

Structure of Tetragonal Lysozyme solved by UWO Students


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP4.5298Protein Solution (60 mg/ml protein in 0.1M Na acetate pH 4.6) mixed in a 1:1 ratio with the Well Solution (10% NaCl buffered in 0.1 M Na acetate pH 4.5). Cryoprotected in 10% NaCl, 0.1 M Na acetate pH 4.5 25% ethylene glycol
Crystal Properties
Matthews coefficientSolvent content
238.64

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 78.938α = 90
b = 78.938β = 90
c = 36.882γ = 90
Symmetry
Space GroupP 43 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCD2015-03-08MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 21-ID-F0.97872APS21-ID-F

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
11.2233.4196.460.07443.412.534007

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE5DL91.2233.411.3432054170196.460.13820.13680.1641
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
f_dihedral_angle_d12.41
f_angle_d1.049
f_chiral_restr0.047
f_bond_d0.006
f_plane_restr0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1000
Nucleic Acid Atoms
Solvent Atoms196
Heterogen Atoms19

Software

Software
Software NamePurpose
PHENIXrefinement
HKL-2000data reduction
HKL-2000data scaling
PHASERphasing