4OZ6

Structure of the Branched Intermediate in Protein Splicing


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.5277Crystals were obtained by mixing 1 ul of protein with 1 ul of crystallization solution (100mM sodium cacodylate, pH 6.5, 200mM magnesium acetate, and 20% (w/v) PEG 8000.
Crystal Properties
Matthews coefficientSolvent content
2.1743.2

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 58.746α = 90
b = 58.746β = 90
c = 111.762γ = 90
Symmetry
Space GroupP 41 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 3152011-03-25SINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 24-ID-E0.97923APS24-ID-E

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Sym 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
12.785099.70.05939.68.7531037.3
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.782.8896.40.1889.77.2

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-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE1AM22.78640.489523624198.890.23140.22980.2617Random selection35.94
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]
1.19521.1952-2.3903
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d14.204
f_angle_d0.77
f_chiral_restr0.049
f_bond_d0.003
f_plane_restr0.003
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1312
Nucleic Acid Atoms
Solvent Atoms29
Heterogen Atoms1

Software

Software
Software NamePurpose
HKL-2000data scaling
PDB_EXTRACTdata extraction
PHENIXrefinement
PHASERphasing