X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3MEK 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.527714.4% PEG 8000, 20% glycerol, 160mM calcium acetate, and 80mM sodium cacodylate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
2.8256.37

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 57.991α = 90
b = 117.99β = 91.78
c = 82.808γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDRAYONIX MX225HE2010-02-04MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRF BEAMLINE BL17U0.99985SSRFBL17U

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)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
12.85097.90.1220.1227.63.326338
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)
12.82.994.40.33932542

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 REPLACEMENTTHROUGHOUT3MEK2.825026293132397.030.21320.21060.2608RANDOM40.2781
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]
3.85-0.31-4.60.74
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.303
r_dihedral_angle_4_deg18.863
r_dihedral_angle_3_deg16.327
r_dihedral_angle_1_deg4.956
r_scangle_it1.534
r_angle_refined_deg1.065
r_scbond_it0.846
r_mcangle_it0.673
r_mcbond_it0.344
r_chiral_restr0.074
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.303
r_dihedral_angle_4_deg18.863
r_dihedral_angle_3_deg16.327
r_dihedral_angle_1_deg4.956
r_scangle_it1.534
r_angle_refined_deg1.065
r_scbond_it0.846
r_mcangle_it0.673
r_mcbond_it0.344
r_chiral_restr0.074
r_bond_refined_d0.007
r_gen_planes_refined0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms6814
Nucleic Acid Atoms
Solvent Atoms24
Heterogen Atoms58

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction
HKL-2000data collection
HKL-2000data reduction
HKL-2000data scaling
CNSphasing