2QUQ

Crystal Structure of the Essential Inner Kinetochore Protein Cep3p


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.5298100 mM HEPES, 5% PEG 4000, 500 mM NaCl, pH 7.5, vapor diffusion, hanging drop, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
3.1360.68

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 84.629α = 90
b = 84.629β = 90
c = 230.948γ = 90
Symmetry
Space GroupP 43 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 3152006-04-02SINGLE WAVELENGTH
21x-ray100CCDADSC QUANTUM 3152006-07-22MAD
31x-ray100CCDADSC QUANTUM 3152006-07-21MAD
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 24-ID-C1.07182APS24-ID-C
2SYNCHROTRONAPS BEAMLINE 24-ID-C1.00794, 1.00912APS24-ID-C
3SYNCHROTRONAPS BEAMLINE 24-ID-C1.07179, 1.07206APS24-ID-C

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
1,2,32.85094.20.07225.436.82036520365
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
2.82.967.50.3071.984.81424

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMIRASTHROUGHOUT2.8452036520325199894.40.2280.285random98.874
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
c_dihedral_angle_d19.801
c_angle_d1.336
c_improper_angle_d0.7775
c_bond_d0.008
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4292
Nucleic Acid Atoms
Solvent Atoms15
Heterogen Atoms

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
SHARPphasing
SOLOMONphasing
CNSrefinement
PDB_EXTRACTdata extraction
ADSCdata collection
HKL-2000data reduction