2CXC

Crystal structure of archaeal transcription termination factor NusA


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION4.8293PEG 3350, sodium acetate, pH 4.8, VAPOR DIFFUSION, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
3.665.4

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 100.348α = 90
b = 100.348β = 90
c = 45.77γ = 90
Symmetry
Space GroupI 41

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 42004-10-03MMAD
21x-ray100CCDRIGAKU JUPITER 2102004-10-10MSINGLE WAVELENGTH
1,21
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONPHOTON FACTORY BEAMLINE BL-6A0.97885, 0.97920, 0.97300Photon FactoryBL-6A
2SYNCHROTRONSPRING-8 BEAMLINE BL26B11.0000SPring-8BL26B1

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
1,21.95099.80.06135.837.352118141
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)
1,21.91.971000.3982.97137.51790

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMADTHROUGHOUT235.515498120099.50.18440.2112RANDOM43.5
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]
-1.27-1.272.53
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d22.1
c_scangle_it3.57
c_mcangle_it2.43
c_scbond_it2.23
c_mcbond_it1.38
c_angle_deg1.2
c_improper_angle_d0.61
c_bond_d0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1080
Nucleic Acid Atoms
Solvent Atoms54
Heterogen Atoms

Software

Software
Software NamePurpose
CNSrefinement
HKL-2000data reduction
SCALEPACKdata scaling
SOLVEphasing