4F3L

Crystal Structure of the Heterodimeric CLOCK:BMAL1 Transcriptional Activator Complex


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION8293100 mM Hepes pH 8.0, 6% PEG 3350 and 75 mM NaF., VAPOR DIFFUSION, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.4349.38

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 67.242α = 90
b = 71.955β = 90
c = 173.306γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray77CCDADSC QUANTUM 3152011-06-15MSINGLE WAVELENGTH
21x-ray77CCDADSC QUANTUM 315r2011-05-10MSINGLE WAVELENGTH
31x-ray77CCDADSC QUANTUM 3152011-04-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 19-IDAPS19-ID
2SYNCHROTRONALS BEAMLINE 8.2.1ALS8.2.1
3SYNCHROTRONAPS BEAMLINE 19-IDAPS19-ID

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
1,2,32.2685099.539307

Refinement

Statistics
Diffraction IDStructure Solution MethodResolution (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-FreeMean Isotropic B
X-RAY DIFFRACTIONSAD2.26837.1170.063930736738184992.260.1860.18430.2171
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]
-6.7601-3.54510.3051
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d12.041
f_angle_d0.889
f_chiral_restr0.064
f_bond_d0.005
f_plane_restr0.003
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms5068
Nucleic Acid Atoms
Solvent Atoms177
Heterogen Atoms

Software

Software
Software NamePurpose
HKL-3000data collection
SHARPphasing
PHENIXrefinement
HKL-3000data reduction
HKL-3000data scaling