5FK4

SAM-I riboswitch bearing the H. marismortui Kt-7 variant 3bn is UU


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1740 MM NA-CACODYLATE (PH 7.0), 80 MM KCL, 50 MM BACL2, 12 MM SPERMINE-HCL, 12% (V/V) MPD.
Crystal Properties
Matthews coefficientSolvent content
1.7529.55

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 57.55α = 90
b = 57.55β = 90
c = 155.62γ = 90
Symmetry
Space GroupP 43 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray173PIXELDECTRIS PIXEL2013-08-05MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONDIAMOND BEAMLINE I03DiamondI03

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
12.4339.3799.90.0619.27.5105502.951.05
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)
12.432.491000.642.98

Refinement

Statistics
Diffraction IDStructure Solution 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 REPLACEMENTPDB ENTRY 5FJC2.4339.371.341049590699.520.19280.190.248358.48
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_d15.672
f_angle_d1.455
f_chiral_restr0.064
f_plane_restr0.011
f_bond_d0.008
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms
Nucleic Acid Atoms2005
Solvent Atoms34
Heterogen Atoms43

Software

Software
Software NamePurpose
PHENIXrefinement
xia2data reduction
xia2data scaling
PHASERphasing