X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1LTQPDB ID 1LTQ dimer

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.6295100mM Sodium cacodylate, 12% PEG-8000, 0.2 M ammonium sulfate, 20 mM urea, 5 mM DTT, pH 6.6, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Crystal Properties
Matthews coefficientSolvent content
3.4163.95

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 124.63α = 90
b = 128.05β = 90
c = 357.12γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray130CCDMAR CCD 165 mmDouble crystal monochromator with sagitally focusing Si(111) crystals2002-08-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X9A0.979NSLSX9A

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
12.94098.70.10412.014.32126336124693-999-371.8
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)
2.92.950.5351.573.56245

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ID 1LTQ dimer2.919.9911262451116832835880.240.240.286RANDOM60.5
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]
-1.224.83-23.63
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d23.5
c_scangle_it8.81
c_mcangle_it7.02
c_scbond_it5.7
c_mcbond_it4.26
c_angle_deg2.4
c_improper_angle_d2.18
c_bond_d0.151
c_bond_d_na
c_bond_d_prot
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d23.5
c_scangle_it8.81
c_mcangle_it7.02
c_scbond_it5.7
c_mcbond_it4.26
c_angle_deg2.4
c_improper_angle_d2.18
c_bond_d0.151
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms28415
Nucleic Acid Atoms
Solvent Atoms976
Heterogen Atoms198

Software

Software
Software NamePurpose
CNSrefinement
CBASSdata collection
DENZOdata reduction
SCALEPACKdata scaling
CNSphasing