X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1S1GPDB entry 1S1G (For Kv4.3 T1 domain), PDB entry 1S6C (For KChIP1)
experimental modelPDB 1S6CPDB entry 1S1G (For Kv4.3 T1 domain), PDB entry 1S6C (For KChIP1)

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.529615% PEG3000, 0.2M sodium chloride, 0.1M Bis-Tris, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 296K
Crystal Properties
Matthews coefficientSolvent content
2.4950.51

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 93.151α = 91
b = 98.105β = 112.56
c = 97.783γ = 111.77
Symmetry
Space GroupP 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 210Double Crystal Si(111)2005-03-06MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONALS BEAMLINE 8.3.11.116ALS8.3.1

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
13.3591.2996.90.0598.22.24177340483103
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)
13.353.5496.90.4251.72.25873

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 (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB entry 1S1G (For Kv4.3 T1 domain), PDB entry 1S6C (For KChIP1)3.3591.293859438594203896.920.238070.236510.26811RANDOM124.874
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]
8.03-0.813.49-4.310.73-1.62
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.977
r_dihedral_angle_3_deg20.652
r_dihedral_angle_4_deg19.737
r_dihedral_angle_1_deg6.698
r_scangle_it1.924
r_angle_refined_deg1.415
r_scbond_it1.076
r_mcangle_it0.705
r_symmetry_hbond_refined0.427
r_symmetry_vdw_refined0.372
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.977
r_dihedral_angle_3_deg20.652
r_dihedral_angle_4_deg19.737
r_dihedral_angle_1_deg6.698
r_scangle_it1.924
r_angle_refined_deg1.415
r_scbond_it1.076
r_mcangle_it0.705
r_symmetry_hbond_refined0.427
r_symmetry_vdw_refined0.372
r_mcbond_it0.347
r_nbtor_refined0.317
r_nbd_refined0.252
r_metal_ion_refined0.21
r_xyhbond_nbd_refined0.158
r_chiral_restr0.101
r_bond_refined_d0.014
r_gen_planes_refined0.004
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms18942
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms28

Software

Software
Software NamePurpose
REFMACrefinement
MOSFLMdata reduction
CCP4data scaling
MOLREPphasing