1U9I

Crystal Structure of Circadian Clock Protein KaiC with Phosphorylation Sites


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1EVAPORATION, RECRYSTALLIZATION4291sodium formate, glycerol, pH 4, EVAPORATION, RECRYSTALLIZATION, temperature 291K
Crystal Properties
Matthews coefficientSolvent content
2.5652

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 132.873α = 90
b = 135.576β = 90
c = 204.951γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray108CCDMARRESEARCH2002-07-10MSINGLE WAVELENGTH
21x-ray108CCDMARRESEARCH2003-06-01MMAD
1,21
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 5ID-B1APS5ID-B
2SYNCHROTRONAPS BEAMLINE 22-ID1.25APS22-ID

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
1,22.83099.60.04320.699159087750
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
1,22.82.999.30.0228637

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)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 DIFFRACTIONSADTHROUGHOUT1TF72.830797467570540410.250.250.250.29random49.8
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]
-12.098-3.5315.629
RMS Deviations
KeyRefinement Restraint Deviation
c_angle_d1.45629
c_bond_d0.009804
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms22930
Nucleic Acid Atoms
Solvent Atoms67
Heterogen Atoms378

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
MLPHAREphasing
CNSrefinement
RAVEphasing