5FJC

SAM-I riboswitch bearing the H. marismortui Kt-7 variant C-2bU


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1740 MM NA-CACODYLATE (PH 7.0), 80 MM KCL, 40 MM BACL2, 12 MM SPERMINE-HCL, 12% (V/V) MPD.
Crystal Properties
Matthews coefficientSolvent content
1.8934.92

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 60.398α = 90
b = 60.398β = 90
c = 152.95γ = 90
Symmetry
Space GroupP 43 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray173PIXELDECTRIS PILATUS 6MTOROIDAL MIRROR2015-02-21MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID29ESRFID29

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
11.7141.1399.70.0520.69.6314651.232.74
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)
11.711.77970.911.27.4

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 4B5R1.7141.1341.3331391282299.480.20280.20090.240541.4
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_d15.628
f_angle_d1.122
f_chiral_restr0.044
f_plane_restr0.008
f_bond_d0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms
Nucleic Acid Atoms2037
Solvent Atoms183
Heterogen Atoms55

Software

Software
Software NamePurpose
PHENIXrefinement
ESRFdata reduction
Aimlessdata scaling
PHASERphasing