8ZN7 | pdb_00008zn7

Crystal Structure of Designed Clock Protein KaiC


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2GBL 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION7313Tris-HCl KCl Sodium malonate
Crystal Properties
Matthews coefficientSolvent content
2.2144.41

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 91.977α = 90
b = 175.183β = 96.93
c = 94.774γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS EIGER X 16M2023-12-11MSINGLE 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
12.5449.1999.70.0913.3798128
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)
12.542.630.71

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (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 REPLACEMENTTHROUGHOUT2GBL2.5449.1993220490799.680.227080.224690.22250.272490.2678RANDOM59.283
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]
-0.262.640.54-0.9
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_3_deg17.164
r_long_range_B_refined6.368
r_long_range_B_other6.368
r_dihedral_angle_2_deg5.821
r_dihedral_angle_1_deg5.168
r_scangle_other4.115
r_mcangle_it3.779
r_mcangle_other3.779
r_scbond_it2.412
r_scbond_other2.412
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_3_deg17.164
r_long_range_B_refined6.368
r_long_range_B_other6.368
r_dihedral_angle_2_deg5.821
r_dihedral_angle_1_deg5.168
r_scangle_other4.115
r_mcangle_it3.779
r_mcangle_other3.779
r_scbond_it2.412
r_scbond_other2.412
r_mcbond_it2.284
r_mcbond_other2.283
r_angle_refined_deg0.772
r_angle_other_deg0.275
r_chiral_restr0.035
r_gen_planes_refined0.003
r_bond_refined_d0.002
r_bond_other_d0.001
r_gen_planes_other0.001
r_dihedral_angle_4_deg
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms20443
Nucleic Acid Atoms
Solvent Atoms104
Heterogen Atoms384

Software

Software
Software NamePurpose
REFMACrefinement
XDSdata scaling
XDSdata reduction
REFMACphasing