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Structure and Catalytic Mechanism of a SET Domain Protein Methyltransferase
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.8 298 100 mM HEPES pH 6.8, 1.2-1.35 M Sodium Acetate, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 4.57 73.1
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 132.16 α = 90 b = 156.68 β = 90 c = 268.44 γ = 90
Symmetry Space Group I 2 2 2
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 95 IMAGE PLATE RIGAKU RAXIS IV Osmic Confocal Maxflux Optics 2002-08-02 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RU200 1.5418
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Sym I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot 1 2.6 35 98.1 0.047 31.6 3.9 83954 83954 -3 37.3
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.6 2.69 98.1 0.508 2.3
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION SAD THROUGHOUT 2.6 30.78 83954 74865 3836 87.4 0.234 0.232 0.2322 0.277 0.2768 RANDOM 69.5
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] -20.21 27.92 -7.71
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 21.3 c_scangle_it 2.62 c_mcangle_it 2.24 c_scbond_it 1.62 c_mcbond_it 1.27 c_angle_deg 1.2 c_improper_angle_d 0.78 c_bond_d 0.008
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 10481 Nucleic Acid Atoms Solvent Atoms 666 Heterogen Atoms 123
Software Software Software Name Purpose SCALEPACK data scaling SHARP phasing CNS refinement