3ZLX

Crystal structure of MEK1 in complex with fragment 18


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
17.7Appropriate single crystals were grown using this set-up in PEG 4000 18%, Tris 100mM pH7.7, DMSO 2% and CaCl2 0.2M and were extracted from the low volume drops, cryo-protected in mother liquor with 20% glycerol and flash cooled for synchrotron collection
Crystal Properties
Matthews coefficientSolvent content
2.4349.46

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 76.93α = 90
b = 76.93β = 90
c = 221.757γ = 120
Symmetry
Space GroupP 61 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray1002011-06-07MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRFESRFID23-1

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
12.263.8199.70.0816.36.220598240.77
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)
12.22.3299.80.4766.4

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (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 REPLACEMENTTHROUGHOUT2.249.4920515105199.430.20530.20360.2361RANDOM49.59
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]
-0.0595-0.05950.1189
RMS Deviations
KeyRefinement Restraint Deviation
t_other_torsion17.55
t_omega_torsion3.12
t_angle_deg1.07
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_torsion17.55
t_omega_torsion3.12
t_angle_deg1.07
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 Atoms2438
Nucleic Acid Atoms
Solvent Atoms91
Heterogen Atoms19

Software

Software
Software NamePurpose
BUSTERrefinement
PHASERphasing