3QTF

Design and SAR of macrocyclic Hsp90 inhibitors with increased metabolic stability and potent cell-proliferation activity


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.527718.4% PEG3350, 0.2M MAGNESIUM NITRATE, PROTEIN @ 13.5 MG/ML, TEMPERATURE 277K; FROZEN BY 1-STEP TRANSFER TO 25% GLYCEROL, 14% PEG3350, 0.15M MAGNESIUM NITRATE, pH 7.5, VAPOR DIFFUSION, HANGING DROP
Crystal Properties
Matthews coefficientSolvent content
2.9558.34

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 67.264α = 90
b = 90.718β = 90
c = 98.379γ = 90
Symmetry
Space GroupI 2 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray93CCDRIGAKU SATURN 92mirrors2008-06-27MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU FR-E+ SUPERBRIGHT1.5418

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
11.5722.777.4542430327851

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (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 REPLACEMENTTHROUGHOUT1.570322.684243032785166377.450.18820.18730.2042Random32.44
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]
-5.47120.9318-4.7687
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d13.404
f_angle_d0.823
f_chiral_restr0.06
f_bond_d0.004
f_plane_restr0.003
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1626
Nucleic Acid Atoms
Solvent Atoms311
Heterogen Atoms34

Software

Software
Software NamePurpose
StructureStudiodata collection
PHASERphasing
PHENIXrefinement
HKL-2000data reduction
HKL-2000data scaling