7LHX

Human U1A protein with F37M and F77M mutations for improved phasing


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP293.152.7-3.1 M Sodium Acetate
Crystal Properties
Matthews coefficientSolvent content
2.4251.6

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 64.377α = 90
b = 64.377β = 90
c = 46.828γ = 120
Symmetry
Space GroupP 3 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDAPEX II CCD2011-11-12MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SEALED TUBEBRUKER IMUS MICROFOCUS1.5418

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Rpim I (All)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
12.227.881000.0290.009161.21010961
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rpim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.22.271000.0760.0380.99520.24.8

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation 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 REPLACEMENTTHROUGHOUT1urn2.227.881.341096155899.270.16810.16590.212823.322
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 Atoms776
Nucleic Acid Atoms
Solvent Atoms87
Heterogen Atoms25

Software

Software
Software NamePurpose
PHENIXrefinement
PDB_EXTRACTdata extraction
PROTEUM PLUSdata reduction
Aimlessdata scaling
PHASERphasing