3R22

Design, synthesis, and biological evaluation of pyrazolopyridine-sulfonamides as potent multiple-mitotic kinase (MMK) inhibitors (Part I)


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP929810% Peg550 MME, 0.1M Tris pH 9, 10% ethylene glycol, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.5451.52

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 81.384α = 90
b = 81.384β = 90
c = 166.393γ = 120
Symmetry
Space GroupP 61 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray193CCDRAYONIX MX-225Diamond (111)monochromator2008-06-11MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 31-ID0.9793APS31-ID

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge 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
12.95099.80.05150.159.873452106
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.931000.5674.110.6746

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 REPLACEMENTTHROUGHOUTpdb entry 3FDN2.940.7734535299.020.270870.268820.31298RANDOM77.931
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]
-0.5-0.51
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg39.621
r_dihedral_angle_4_deg23.88
r_dihedral_angle_3_deg23.156
r_dihedral_angle_1_deg8.229
r_scangle_it2.382
r_angle_refined_deg1.739
r_scbond_it1.377
r_mcangle_it1.236
r_mcbond_it0.656
r_chiral_restr0.116
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg39.621
r_dihedral_angle_4_deg23.88
r_dihedral_angle_3_deg23.156
r_dihedral_angle_1_deg8.229
r_scangle_it2.382
r_angle_refined_deg1.739
r_scbond_it1.377
r_mcangle_it1.236
r_mcbond_it0.656
r_chiral_restr0.116
r_bond_refined_d0.013
r_gen_planes_refined0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2022
Nucleic Acid Atoms
Solvent Atoms11
Heterogen Atoms28

Software

Software
Software NamePurpose
ADSCdata collection
MOLREPphasing
REFMACrefinement
HKL-2000data reduction
HKL-2000data scaling