7ZUR

Four carbons pendant pyridine derivative of the natural alkaloid Berberine as Human Telomeric G-quadruplex Binder


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP6.5296Kcacodylate, Li2SO4, PEG400
Crystal Properties
Matthews coefficientSolvent content
1.930.57

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 42.1α = 90
b = 42.1β = 90
c = 34.15γ = 90
Symmetry
Space GroupP 42 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS3 6M2016-12-12MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID30B0.97264ESRFID30B

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)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
11.4929.7798.20.060.0650.9999.210.697525251.743
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)
11.491.5893.90.4536.2

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 REPLACEMENTTHROUGHOUT5CDB1.629.77392541899.250.28450.28160.3099RANDOM78.865
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]
3.43.4-6.79
RMS Deviations
KeyRefinement Restraint Deviation
r_angle_other_deg1.819
r_angle_refined_deg1.241
r_chiral_restr0.087
r_gen_planes_refined0.014
r_bond_refined_d0.008
r_bond_other_d0.003
r_gen_planes_other0.003
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms
Nucleic Acid Atoms250
Solvent Atoms2
Heterogen Atoms66

Software

Software
Software NamePurpose
XDSdata reduction
XSCALEdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction
PHASERphasing