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How the CCA-adding Enzyme Selects Adenine over Cytosine in Position 76 of tRNA
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 7.5 300 20% PEG 4000, 0.2 M tri-lithium citrate, 80 mM ammonium sulfate, 50 mM HEPES, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 300K
Crystal Properties Matthews coefficient Solvent content 2.89 57.5
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 57.942 α = 90 b = 57.942 β = 90 c = 427.945 γ = 90
Symmetry Space Group P 43 21 2
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 ADSC QUANTUM 4 2007-07-20 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 19-ID APS 19-ID
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 1.98 50 87.2 0.118 8.3 46253 2
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1.98 2.05 77
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 (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 1.98 48 2 43725 2326 100 0.216 0.214 0.2125 0.244 0.2426 RANDOM 31.451
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] 0.01 0.01 -0.02
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 33.627 r_dihedral_angle_4_deg 19.781 r_dihedral_angle_3_deg 17.506 r_dihedral_angle_1_deg 5.458 r_scangle_it 2.188 r_scbond_it 1.332 r_angle_refined_deg 1.279 r_mcangle_it 0.896 r_mcbond_it 0.535 r_nbtor_refined 0.297
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 33.627 r_dihedral_angle_4_deg 19.781 r_dihedral_angle_3_deg 17.506 r_dihedral_angle_1_deg 5.458 r_scangle_it 2.188 r_scbond_it 1.332 r_angle_refined_deg 1.279 r_mcangle_it 0.896 r_mcbond_it 0.535 r_nbtor_refined 0.297 r_nbd_refined 0.194 r_symmetry_vdw_refined 0.183 r_symmetry_hbond_refined 0.171 r_xyhbond_nbd_refined 0.149 r_chiral_restr 0.084 r_bond_refined_d 0.009 r_gen_planes_refined 0.004 r_bond_other_d r_angle_other_deg r_gen_planes_other r_nbd_other r_nbtor_other r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_other r_symmetry_vdw_other r_symmetry_hbond_other r_symmetry_metal_ion_refined r_symmetry_metal_ion_other r_mcbond_other r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3570 Nucleic Acid Atoms 720 Solvent Atoms 219 Heterogen Atoms 49
Software Software Software Name Purpose HKL-2000 data collection PHASES phasing REFMAC refinement HKL-2000 data reduction HKL-2000 data scaling