6T30

Streptavidin variants harbouring an artificial organocatalyst based cofactor


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 6T1E 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP2930.2M di-Sodium hydrogen phosphate 20% PEG 3350
Crystal Properties
Matthews coefficientSolvent content
1.7529.68

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 55.132α = 90
b = 55.132β = 90
c = 131.209γ = 120
Symmetry
Space GroupP 32 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 6M2018-04-25MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONBESSY BEAMLINE 14.10.9184BESSY14.1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)CC (Half)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
11.847.7598.890.99917.3610.92193638.93
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.81.8650.366

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-VALUE6t1e1.847.751.3321916109498.890.18850.18630.229750.28
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_d14.2121
f_angle_d1.2737
f_chiral_restr0.0837
f_bond_d0.0141
f_plane_restr0.0078
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1838
Nucleic Acid Atoms
Solvent Atoms114
Heterogen Atoms74

Software

Software
Software NamePurpose
Cootmodel building
PHENIXrefinement
XDSdata reduction
XDSdata scaling
PHASERphasing