3NVA

Dimeric form of CTP synthase from Sulfolobus solfataricus


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP4.53006% PEG 8000, 0.1M magnesium acetate, 0.1M sodium acetate buffer pH 4.5 , VAPOR DIFFUSION, HANGING DROP, temperature 300K
Crystal Properties
Matthews coefficientSolvent content
2.5351.42

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 43.45α = 100.99
b = 76.78β = 95.36
c = 98.87γ = 108.42
Symmetry
Space GroupP 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMAR CCD 165 mmmirrors2006-05-05MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONMAX II BEAMLINE I911-21.04MAX III911-2

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge 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
12.527.39295.90.04719.9339001-352.979
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.52.686.40.2850.334.7

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENT1VCN2.50427.3921.993900138978194896.470.21060.21050.20680.2822RANDOM60.9652
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]
6.0189-1.79916.49664.7526-3.1867-10.7715
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d22.598
f_angle_d1.182
f_chiral_restr0.074
f_bond_d0.009
f_plane_restr0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms8382
Nucleic Acid Atoms
Solvent Atoms147
Heterogen Atoms

Software

Software
Software NamePurpose
XSCALEdata scaling
MOLREPphasing
PHENIXrefinement
PDB_EXTRACTdata extraction
MAR345dtbdata collection
XDSdata reduction