6BOH

Antibiotic blasticidin S and E. coli release factor 1 (containing deletion 302-304) bound to the 70S ribosome


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.52893 uL of 70S*mRNA*tRNAfMet*RF1*antibiotic complex + 3 uL crystallization buffer (0.1 M Tris-HCl, pH 7.5, 4% v/v PEG20000, 8% v/v MPD, 0.2 M potassium thiocyanate). 4-fold molar excess of E. coli release factor 1 and 1 mM blasticidin S were added during complex formation. Reservoir: 300 uL 0.4-0.6 M sodium chloride.
2VAPOR DIFFUSION, HANGING DROP7.52893 uL of 70S*mRNA*tRNAfMet*RF1*antibiotic complex + 3 uL crystallization buffer (0.1 M Tris-HCl, pH 7.5, 4% v/v PEG20000, 8% v/v MPD, 0.2 M potassium thiocyanate). 4-fold molar excess of E. coli release factor 1 and 1 mM blasticidin S were added during complex formation. Reservoir: 300 uL 0.4-0.6 M sodium chloride.
3VAPOR DIFFUSION, HANGING DROP7.52893 uL of 70S*mRNA*tRNAfMet*RF1*antibiotic complex + 3 uL crystallization buffer (0.1 M Tris-HCl, pH 7.5, 4% v/v PEG20000, 8% v/v MPD, 0.2 M potassium thiocyanate). 4-fold molar excess of E. coli release factor 1 and 1 mM blasticidin S were added during complex formation. Reservoir: 300 uL 0.4-0.6 M sodium chloride.
4VAPOR DIFFUSION, HANGING DROP7.52893 uL of 70S*mRNA*tRNAfMet*RF1*antibiotic complex + 3 uL crystallization buffer (0.1 M Tris-HCl, pH 7.5, 4% v/v PEG20000, 8% v/v MPD, 0.2 M potassium thiocyanate). 4-fold molar excess of E. coli release factor 1 and 1 mM blasticidin S were added during complex formation. Reservoir: 300 uL 0.4-0.6 M sodium chloride.
5VAPOR DIFFUSION, HANGING DROP7.52893 uL of 70S*mRNA*tRNAfMet*RF1*antibiotic complex + 3 uL crystallization buffer (0.1 M Tris-HCl, pH 7.5, 4% v/v PEG20000, 8% v/v MPD, 0.2 M potassium thiocyanate). 4-fold molar excess of E. coli release factor 1 and 1 mM blasticidin S were added during complex formation. Reservoir: 300 uL 0.4-0.6 M sodium chloride.

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 209.86α = 90
b = 450.69β = 90
c = 615.88γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS3 6M2012-04-14MSINGLE WAVELENGTH
22x-ray100PIXELDECTRIS PILATUS3 6M2012-04-14MSINGLE WAVELENGTH
33x-ray100PIXELDECTRIS PILATUS3 6M2012-03-24MSINGLE WAVELENGTH
44x-ray100PIXELDECTRIS PILATUS3 6M2012-03-24MSINGLE WAVELENGTH
55x-ray100PIXELDECTRIS PILATUS3 6M2012-03-24MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 23-ID-D1.033APS23-ID-D
2SYNCHROTRONAPS BEAMLINE 23-ID-D1.033APS23-ID-D
3SYNCHROTRONAPS BEAMLINE 23-ID-D1.033APS23-ID-D
4SYNCHROTRONAPS BEAMLINE 23-ID-D1.033APS23-ID-D
5SYNCHROTRONAPS BEAMLINE 23-ID-D1.033APS23-ID-D

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
13.4901007.7538.1792709
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
13.43.6

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONFREE R-VALUE3.45079251899.9
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]
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms95708
Nucleic Acid Atoms201010
Solvent Atoms
Heterogen Atoms1498

Software

Software
Software NamePurpose
PHENIXrefinement
XDSdata reduction
XSCALEdata scaling
PHENIXphasing