5TF6

Structure and conformational plasticity of the U6 small nuclear ribonucleoprotein core


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP2771 M lithium chloride, 100 mM sodium MES, 64 mM hydrochloric acid, 25% PEG 8,000, 20% glycerol, 1 mM MnCl2, 400 mM potassium chloride, 10 mM HEPES acid, 10 mM Tris base, 2 mM MgCl2, 1 mM TCEP-HCl
Crystal Properties
Matthews coefficientSolvent content
3.1761.23

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 76.921α = 90
b = 84.446β = 90
c = 255.142γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 6M-F2013-10-23MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 24-ID-C0.9795APS24-ID-C

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (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
12.349.199.710.090.99817.6712.114184350.38

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (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 DIFFRACTIONMADFREE R-VALUE2.349.11.34141843378299.430.18630.1850.231669.6255
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_d18.234
f_angle_d1.771
f_chiral_restr0.109
f_bond_d0.015
f_plane_restr0.01
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms5922
Nucleic Acid Atoms2630
Solvent Atoms750
Heterogen Atoms39

Software

Software
Software NamePurpose
Aimlessdata scaling
PHENIXrefinement
PDB_EXTRACTdata extraction
XDSdata reduction
PHASERphasing