7E4Z

Crystal structure of tubulin in complex with Maytansinol


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.72936% poly(ethylene glycol) 4000, 8% glycerol, 0.1 M MES (pH 6.7), 30 mM CaCl2, 30 mM MgCl2
Crystal Properties
Matthews coefficientSolvent content
2.8356.48

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 104.431α = 90
b = 156.635β = 90
c = 182.275γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 6M2018-07-04MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRF BEAMLINE BL19U10.97908SSRFBL19U1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim I (All)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
12.69401000.1330.1380.0374.213.48341345.03
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.72.81000.7230.750.1990.93913.9

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT4TV82.6938.2851.3883192405999.510.1940.19230.228249.62
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
f_dihedral_angle_d14.447
f_angle_d0.646
f_chiral_restr0.028
f_bond_d0.002
f_plane_restr0.002
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms17406
Nucleic Acid Atoms
Solvent Atoms374
Heterogen Atoms370

Software

Software
Software NamePurpose
HKL-3000data scaling
PHENIXrefinement
PDB_EXTRACTdata extraction
HKL-3000data reduction
PHASERphasing