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Crystal Structure Analysis of TM0872, a Putative SAM-dependent Methyltransferase, Complexed with SAH
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.5 277 Drop: 50mM Na Cacodylate pH 6.5, 5mM HEPES pH 7.5, 0.1M Ammonium Sulfate, 9% PEG 8000, 0.25M NaCl, 1mM BME, 0.3mM S-adenosyl-L-homocysteine, 10mg/ml protein. Well: 0.1M Na Cacodylate pH 6.5, 0.1M Ammonium Sulfate, 18 % PEG 8000, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 2.79 55.98
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 133.4 α = 90 b = 133.4 β = 90 c = 133.4 γ = 90
Symmetry Space Group P 21 3
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 170 CCD MARRESEARCH 2002-04-03 M MAD
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 5ID-B 0.9787, 0.9785, 0.9537 APS 5ID-B
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge 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 1.9 19.89 99.9 0.072 22 13.7 62224 62185 -3 18.3
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.9 1.97 99.7 0.341 4.7 3.4 6105
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-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MAD THROUGHOUT 1.9 19.89 62264 60592 3057 97.3 0.197 0.205 0.212 0.2213 RANDOM 37.2
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]
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 22.3 c_scangle_it 4.15 c_scbond_it 2.79 c_mcangle_it 2.1 c_mcbond_it 1.47 c_angle_deg 1.3 c_improper_angle_d 0.88 c_bond_d 0.008
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4613 Nucleic Acid Atoms Solvent Atoms 367 Heterogen Atoms 62
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling SOLVE phasing CNS refinement