6CPW

Discovery of 3(S)-thiomethyl pyrrolidine ERK inhibitors for oncology


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.42770.1M MES, PH 6.4, 2.0M AMMONIUM SULFATE, 5% PEG 400, 0.5% DMSO, 1% GLYEROL, 0.0005M OLOMOUCINE. 13 DAY SOAK WITH NEW COMPOUND AT 500 MICROMOLAR CONCENTRATION
Crystal Properties
Matthews coefficientSolvent content
2.4349.45

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 71.341α = 90
b = 91.318β = 90
c = 63.289γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray95IMAGE PLATERIGAKU RAXIS HTCOSMIC2006-09-06MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU FR-E SUPERBRIGHT1.54178

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
11.8533.2299.50.88144.73584525.41
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)
11.851.91000.4922.94.6

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 DIFFRACTIONFOURIER SYNTHESISTHROUGHOUT1ERK1.8533.2235845180399.50.190.1880.224RANDOM31.4
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]
-5.22852.27592.9527
RMS Deviations
KeyRefinement Restraint Deviation
t_other_torsion14.72
t_omega_torsion3.43
t_angle_deg1.01
t_bond_d0.01
t_dihedral_angle_d
t_incorr_chiral_ct
t_pseud_angle
t_trig_c_planes
t_gen_planes
t_it
RMS Deviations
KeyRefinement Restraint Deviation
t_other_torsion14.72
t_omega_torsion3.43
t_angle_deg1.01
t_bond_d0.01
t_dihedral_angle_d
t_incorr_chiral_ct
t_pseud_angle
t_trig_c_planes
t_gen_planes
t_it
t_nbd
t_improper_torsion
t_chiral_improper_torsion
t_sum_occupancies
t_utility_distance
t_utility_angle
t_utility_torsion
t_ideal_dist_contact
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2684
Nucleic Acid Atoms
Solvent Atoms257
Heterogen Atoms57

Software

Software
Software NamePurpose
BUSTERrefinement
DENZOdata reduction
SCALEPACKdata scaling
CNXphasing