4EQ5

DNA ligase from the archaeon Thermococcus sibiricus


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.52910.085 M HEPES, 8.5% 2-propanol (v/v), 17% (w/v) PEG 4000, 15% (v/v) glycerol, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Crystal Properties
Matthews coefficientSolvent content
2.550.77

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 58.59α = 90
b = 87.54β = 90
c = 126.3γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDRAYONIX SX-165mm2010-11-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONKURCHATOV SNC BEAMLINE K4.40.985KURCHATOV SNCK4.4

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
12.73097.60.1112.925359182321.0567.9
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.692.8591.70.97

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 entry 2CFM2.8529.2951.34498481557679798.950.27720.27330.3575Random
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]
31.4777-18.7236-12.7541
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d21.718
f_angle_d1.5
f_chiral_restr0.093
f_bond_d0.01
f_plane_restr0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3859
Nucleic Acid Atoms
Solvent Atoms2
Heterogen Atoms23

Software

Software
Software NamePurpose
DNAdata collection
BALBESphasing
PHENIXrefinement
XDSdata scaling