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Crystal Structure of 16S rRNA Methyltranferase KamB
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 8 293 0.25M Potassium thiocyanate, 24% PEG 2000 monomethylether, pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2.28 46.02
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 48.302 α = 90 b = 64.112 β = 104.61 c = 72.069 γ = 90
Symmetry Space Group P 1 21 1
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 CCD MARMOSAIC 225 mm CCD 2009-04-10 M SINGLE WAVELENGTH 2 1 100 CCD MARMOSAIC 225 mm CCD 2009-06-20
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 22-BM 1.0 APS 22-BM
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 1.69 50 99.1 0.05 16.8 3.8 46638 16.1
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 1.69 1.75 92 0.285 3.4 3.6
Refinement Statistics Diffraction ID Structure Solution Method Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) Mean Isotropic B X-RAY DIFFRACTION SAD 1.69 25.081 0.03 46637 2338 97.67 0.1757 0.1739 0.1718 0.2097 0.2045 19.89
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 f_dihedral_angle_d 10.675 f_angle_d 1.106 f_chiral_restr 0.079 f_bond_d 0.006 f_plane_restr 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3332 Nucleic Acid Atoms Solvent Atoms 290 Heterogen Atoms 52
Software Software Software Name Purpose PHENIX model building PHENIX refinement HKL-2000 data reduction HKL-2000 data scaling PHENIX phasing