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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 VAPOR DIFFUSION, HANGING DROP 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 2.79 55.9
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 111.393 α = 90 b = 216.095 β = 90 c = 58.16 γ = 90
Symmetry Space Group P 21 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 2007-10-12 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X25 1.0 NSLS X25
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 3 50 99.8 0.157 8.6 6.7 31817 2 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) 3 3.12 99.9
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 3 49.51 1.7 27529 1458 100 0.20836 0.20514 0.2153 0.26723 0.262 RANDOM 67.704
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] -0.04 0.13 -0.09
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 33.936 r_dihedral_angle_3_deg 21.12 r_dihedral_angle_4_deg 18.6 r_dihedral_angle_1_deg 5.722 r_scangle_it 1.77 r_angle_refined_deg 1.369 r_scbond_it 0.985 r_mcangle_it 0.7 r_mcbond_it 0.389 r_nbtor_refined 0.308
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 33.936 r_dihedral_angle_3_deg 21.12 r_dihedral_angle_4_deg 18.6 r_dihedral_angle_1_deg 5.722 r_scangle_it 1.77 r_angle_refined_deg 1.369 r_scbond_it 0.985 r_mcangle_it 0.7 r_mcbond_it 0.389 r_nbtor_refined 0.308 r_nbd_refined 0.211 r_symmetry_vdw_refined 0.185 r_symmetry_hbond_refined 0.176 r_xyhbond_nbd_refined 0.168 r_chiral_restr 0.086 r_bond_refined_d 0.011 r_gen_planes_refined 0.004
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 7284 Nucleic Acid Atoms 1440 Solvent Atoms 52 Heterogen Atoms 77
Software Software Software Name Purpose HKL-2000 data collection PHASES phasing REFMAC refinement HKL-2000 data reduction HKL-2000 data scaling