6TLC

Unphosphorylated human STAT3 in complex with MS3-6 monobody


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 4E68 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7291.1519% PEG300 70mM Calcium acetate dihydrate 100mM imidazole pH = 7
Crystal Properties
Matthews coefficientSolvent content
4.7874.25

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 111.31α = 90
b = 111.31β = 90
c = 483.467γ = 90
Symmetry
Space GroupP 41 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 2M-F2019-05-03MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSLS BEAMLINE X06DA1.00SLSX06DA

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)CC (Half)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
12.949.7899.90.99810.326.66886380.93
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)
12.92.9799.80.252

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-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT4e682.949.7868566342999.710.24760.24590.2806RANDOM83.2292
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]
-0.01-0.010.01
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg38.057
r_dihedral_angle_3_deg20.036
r_dihedral_angle_4_deg19.729
r_mcangle_it11.253
r_dihedral_angle_1_deg8.262
r_mcbond_it7.468
r_mcbond_other7.468
r_angle_other_deg3.643
r_angle_refined_deg1.935
r_chiral_restr0.106
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg38.057
r_dihedral_angle_3_deg20.036
r_dihedral_angle_4_deg19.729
r_mcangle_it11.253
r_dihedral_angle_1_deg8.262
r_mcbond_it7.468
r_mcbond_other7.468
r_angle_other_deg3.643
r_angle_refined_deg1.935
r_chiral_restr0.106
r_bond_refined_d0.015
r_gen_planes_other0.01
r_gen_planes_refined0.008
r_bond_other_d
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms10063
Nucleic Acid Atoms
Solvent Atoms2
Heterogen Atoms

Software

Software
Software NamePurpose
REFMACrefinement
XDSdata reduction
Aimlessdata scaling
PHASERphasing