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Crystal Structure Analysis of the 16mer GCAGNCUUAAGUCUGC containing 8-aza-7-deaza-7-ethynyl Adenosine
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7 294.15 10% MPD(v/v) (Drop), 35% MPD(v/v) (reservoir), 40mM Na-cacodylate trihydrate (pH 7), 12mM spermine tetrahydrochloride, 80mM SrCl2, 20mM MgCl2 hexahydrate, VAPOR DIFFUSION, SITTING DROP, temperature 294.15K
Crystal Properties Matthews coefficient Solvent content 2.37 48.21
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 74.8 α = 90 b = 43.19 β = 120.82 c = 48.79 γ = 90
Symmetry Space Group C 1 2 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 ADSC QUANTUM 315 2012-07-27 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRL BEAMLINE BL7-1 1.127 SSRL BL7-1
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 1.85 35 91.3 0.029 18.04 2.7 11632 10615
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 1.85 1.9 75.4 0.33 2.32 1.85 858
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Number Reflections (All) 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 MOLECULAR REPLACEMENT THROUGHOUT 1.85 32.17 10615 10100 515 91.61 0.22364 0.22364 0.22222 0.2302 0.2494 0.2597 RANDOM 51.571
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] 2.81 -1.81 4.53 -3.65
RMS Deviations Key Refinement Restraint Deviation r_angle_refined_deg 1.894 r_angle_other_deg 1.549 r_chiral_restr 0.076 r_bond_other_d 0.009 r_bond_refined_d 0.007 r_gen_planes_refined 0.007 r_gen_planes_other 0.002
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms Nucleic Acid Atoms 1017 Solvent Atoms 29 Heterogen Atoms 9
Software Software Software Name Purpose Blu-Ice data collection PHASER phasing REFMAC refinement