2XO1

xpt-pbuX C74U Riboswitch from B. subtilis bound to N6-methyladenine


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
17.510MM K-HEPES PH 7.5, 20% PEG 3000, 12MM COHEX, 440MM AMMONIUM ACETATE
Crystal Properties
Matthews coefficientSolvent content
2.2745.8

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 132.762α = 90
b = 35.18β = 90.51
c = 41.736γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC CCD2010-05-23MSINGLE 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
11.666.3896.50.0520.62.925098

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-Work (Depositor)R-Work (DCC)R-Free (Depositor)R-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONOTHERTHROUGHOUTNONE1.666.3823747126895.50.195540.194680.190.21075RANDOM23.164
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]
1.02-0.5-0.92-0.11
RMS Deviations
KeyRefinement Restraint Deviation
r_scangle_it1.817
r_angle_refined_deg1.508
r_scbond_it1.266
r_mcangle_it0.802
r_mcbond_it0.507
r_chiral_restr0.067
r_gen_planes_refined0.009
r_bond_refined_d0.008
r_bond_other_d
r_angle_other_deg
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms
Nucleic Acid Atoms1364
Solvent Atoms226
Heterogen Atoms67

Software

Software
Software NamePurpose
REFMACrefinement
DENZOdata reduction
SCALEPACKdata scaling