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Crystal Structure of RlmA(I) enzyme: 23S rRNA n1-G745 methyltransferase (NORTHEAST STRUCTURAL GENOMICS CONSORTIUM TARGET ER19)
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION 6.5 300 Ammonium sulfate, Lithium Sulfate, pH 6.5, VAPOR DIFFUSION, temperature 300K
Crystal Properties Matthews coefficient Solvent content 3.81 67.68
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 107.187 α = 90 b = 122.279 β = 90 c = 143.138 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 105 CCD ADSC QUANTUM 4 2002-10-01 M MAD 2 1 CCD ADSC QUANTUM 4 2002-11-01
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X12C 0.97889, 0.97874, 0.9500 NSLS X12C 2 SYNCHROTRON CHESS BEAMLINE F1 0.9160 CHESS F1
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 2.8 50 93 0.106 11 21876 21876 -0.5 41.8
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 2.8 2.85 80.2
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (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 2.8 20 1 21804 1138 92.9 0.248 0.248 0.248 0.2472 0.296 0.2925 RANDOM 55.8
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] -19.33 -9.08 28.41
RMS Deviations Key Refinement Restraint Deviation c_angle_deg 1.7 c_improper_angle_d 1.27 c_bond_d 0.012 c_dihedral_angle_d
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4176 Nucleic Acid Atoms Solvent Atoms 85 Heterogen Atoms 81
Software Software Software Name Purpose CNS refinement DENZO data reduction SCALEPACK data scaling SnB phasing SOLVE phasing