3V01

Discovery of Novel Allosteric MEK Inhibitors Possessing Classical and Non-classical Bidentate Ser212 Interactions.


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1S9JPDB ENTRY 1S9J

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.228616-20% w/v PEG8K, 0.1M HEPES, 250mM NH4H2PO4, 1mM TCEP, pH 7.2, VAPOR DIFFUSION, HANGING DROP, temperature 286K
Crystal Properties
Matthews coefficientSolvent content
3.2862.54

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 81.619α = 90
b = 81.619β = 90
c = 129.521γ = 120
Symmetry
Space GroupP 62

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray200CCDADSC QUANTUM 3152006-06-09MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONALS BEAMLINE 5.0.21.0ALS5.0.2

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Sym 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
12.75099.70.05724.234.813370133301371.66

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)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 REPLACEMENTTHROUGHOUTPDB ENTRY 1S9J2.705202133701267564099.740.189420.1870.23977RANDOM85.632
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]
2.31.152.3-3.45
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.976
r_dihedral_angle_4_deg17.346
r_dihedral_angle_3_deg16.008
r_dihedral_angle_1_deg5.746
r_scangle_it5.638
r_mcangle_it5.414
r_mcbond_it3.559
r_scbond_it3.548
r_angle_refined_deg1.628
r_angle_other_deg0.794
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.976
r_dihedral_angle_4_deg17.346
r_dihedral_angle_3_deg16.008
r_dihedral_angle_1_deg5.746
r_scangle_it5.638
r_mcangle_it5.414
r_mcbond_it3.559
r_scbond_it3.548
r_angle_refined_deg1.628
r_angle_other_deg0.794
r_mcbond_other0.695
r_nbd_refined0.216
r_nbtor_refined0.185
r_nbd_other0.172
r_symmetry_vdw_other0.155
r_xyhbond_nbd_refined0.148
r_symmetry_vdw_refined0.103
r_nbtor_other0.086
r_chiral_restr0.079
r_metal_ion_refined0.054
r_bond_refined_d0.013
r_gen_planes_refined0.004
r_bond_other_d0.002
r_gen_planes_other0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2261
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms59

Software

Software
Software NamePurpose
ADSCdata collection
AMoREphasing
REFMACrefinement
HKL-2000data reduction
SCALEPACKdata scaling