3E8N

X-ray structure of the human mitogen-activated protein kinase kinase 1 (MEK1) complexed with a potent inhibitor RDEA119 and MgATP


X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.827720 mM HEPES, 150 mM NH4H2PO4, 0.5 mM EDTA, 2 mM TCEP, pH 7.8, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
3.3463.19

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 82.261α = 90
b = 82.261β = 90
c = 129.778γ = 120
Symmetry
Space GroupP 62

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray150IMAGE PLATERIGAKU RAXIS IVOsmic blue mirror2006-03-13MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RU3001.5418

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
12.59999.10.12513.741726917113
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)
2.52.5999.50.363.91703

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 1S9J2.561724316933168898.20.2190.252RANDOM
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]
0.173-0.1210.173-0.346
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2276
Nucleic Acid Atoms
Solvent Atoms65
Heterogen Atoms63

Software

Software
Software NamePurpose
CrystalCleardata collection
CNSrefinement
DENZOdata reduction
SCALEPACKdata scaling
CNSphasing