8K8C

Crystal structure of C/EBPalpha BZIP domain bound to a high affinity DNA


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP4.62910.015 M Calcium chloride dihydrate,0.1 M Sodium acetate trihydrate pH 4.6, 30% v/v 2-Methyl-2,4-pentanediol
Crystal Properties
Matthews coefficientSolvent content
3.5465.3

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 39.382α = 90
b = 63.366β = 90
c = 128.546γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 6M2023-04-09MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRF BEAMLINE BL19U10.9793SSRFBL19U1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)CC (Half)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
12.0664.2799.9118.912.520836
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.062.170.938

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE2.0619.961.3520673198699.560.23080.22550.2823
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]
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d25.259
f_angle_d1.073
f_chiral_restr0.049
f_plane_restr0.011
f_bond_d0.008
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1004
Nucleic Acid Atoms527
Solvent Atoms55
Heterogen Atoms12

Software

Software
Software NamePurpose
PHENIXrefinement
autoPROCdata reduction
autoPROCdata scaling
PHASERphasing