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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 2.77 55.62
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 110.978 α = 90 b = 215.826 β = 90 c = 58.39 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 1.00 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 1.95 50 97.9 0.098 15.8 6.3 100973 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) 1.95 2.02 81.3
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 1.95 46.63 2 95658 5031 100 0.21309 0.21126 0.2112 0.24775 0.2472 RANDOM 50.329
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] -0.05 0.03 0.02
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 32.286 r_dihedral_angle_4_deg 19.44 r_dihedral_angle_3_deg 17.656 r_dihedral_angle_1_deg 5.463 r_scangle_it 2.438 r_scbond_it 1.542 r_angle_refined_deg 1.353 r_mcangle_it 0.988 r_mcbond_it 0.634 r_symmetry_hbond_refined 0.394
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 32.286 r_dihedral_angle_4_deg 19.44 r_dihedral_angle_3_deg 17.656 r_dihedral_angle_1_deg 5.463 r_scangle_it 2.438 r_scbond_it 1.542 r_angle_refined_deg 1.353 r_mcangle_it 0.988 r_mcbond_it 0.634 r_symmetry_hbond_refined 0.394 r_nbtor_refined 0.298 r_symmetry_vdw_refined 0.265 r_nbd_refined 0.192 r_xyhbond_nbd_refined 0.184 r_chiral_restr 0.09 r_bond_refined_d 0.01 r_gen_planes_refined 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 7285 Nucleic Acid Atoms 1476 Solvent Atoms 475 Heterogen Atoms 143
Software Software Software Name Purpose HKL-2000 data collection PHASES phasing REFMAC refinement HKL-2000 data reduction HKL-2000 data scaling