8WV8 | pdb_00008wv8

Crystal Structure of Cyanobacterial Circadian Clock Protein KaiC


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 7DYJ 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1EVAPORATION7313sodium/pottasium tartrae, sodium acetate, KCl
Crystal Properties
Matthews coefficientSolvent content
40.65

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 95.191α = 90
b = 95.191β = 90
c = 184.086γ = 120
Symmetry
Space GroupP 63

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS EIGER X 16M2020-07-24MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSPRING-8 BEAMLINE BL44XU0.9SPring-8BL44XU

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
12.9349.2299.70.11715.810.320257
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)
12.933.030.913

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-Work (Depositor)R-Work (DCC)R-Free (Depositor)R-Free (DCC)R-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT2.9349.221932893999.790.27830.27550.280.33510.32RANDOM71.374
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]
-4.57-2.28-4.5714.82
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg31.985
r_dihedral_angle_3_deg25.469
r_dihedral_angle_4_deg22.097
r_dihedral_angle_1_deg2.944
r_angle_refined_deg1.234
r_angle_other_deg1.123
r_chiral_restr0.029
r_gen_planes_refined0.003
r_bond_refined_d0.002
r_gen_planes_other0.002
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg31.985
r_dihedral_angle_3_deg25.469
r_dihedral_angle_4_deg22.097
r_dihedral_angle_1_deg2.944
r_angle_refined_deg1.234
r_angle_other_deg1.123
r_chiral_restr0.029
r_gen_planes_refined0.003
r_bond_refined_d0.002
r_gen_planes_other0.002
r_bond_other_d0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms6510
Nucleic Acid Atoms
Solvent Atoms16
Heterogen Atoms128

Software

Software
Software NamePurpose
REFMACrefinement
PDB_EXTRACTdata extraction
XDSdata reduction
XDSdata scaling
MOLREPphasing