4E54

Damaged DNA induced UV-damaged DNA-binding protein (UV-DDB) dimerization and its roles in chromatinized DNA repair


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION7.527720mM Tris pH 7.5, 2mM MgCl2, 1mM EDTA, 2mM TECP, 5% Glycerol, 0.02% azide. UV-DDB-AP24 complex (molar ratio of 1:3 UV-DDB:DNA) at 2.5 mg/mL. 'AP24' refers to synthetic DNA substrate of 24-bpr with a central abasic site mimic., VAPOR DIFFUSION, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
2.6753.95

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 76.736α = 90
b = 70.877β = 99.68
c = 191.448γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 300 mm CCDmonochromators2009-07-08MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 22-ID1.00APS22-ID

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (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
12.855089.70.120.112.286.5471082225.22
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.852.9667.60.120.3217.73.53545

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (I)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 REPLACEMENTTHROUGHOUTPDB Entry 3EI22.8533.3152.71.344710838719193181.030.25820.23550.23310.2809Random
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]
-17.9366-2.0964-25.9332-21.89
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d20.093
f_angle_d1.354
f_chiral_restr0.102
f_plane_restr0.006
f_bond_d0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms11998
Nucleic Acid Atoms977
Solvent Atoms
Heterogen Atoms

Software

Software
Software NamePurpose
ADSCdata collection
SOLVEphasing
PHENIXrefinement
HKL-2000data reduction
SCALEPACKdata scaling