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Crystal structure of 2'-O-Me(CGCGCG)2: an RNA duplex at 1.3 A resolution. Hydration pattern of 2'-O-methylated RNA
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1RNA ARN035
Crystallization Crystal Properties Matthews coefficient Solvent content 2.1 41.48
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 26.27 α = 90 b = 26.27 β = 90 c = 160.9 γ = 120
Symmetry Space Group P 61 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 277 IMAGE PLATE MARRESEARCH SEGMENTED MIRROR 1995-05-14 M
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE BW7B EMBL/DESY, HAMBURG BW7B
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 1.3 8 95.3 0.07 32 11 8165
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) 1.3 1.32 91.9 0.444 3.2 3.7
Refinement Statistics Diffraction ID Structure Solution Method Starting model Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT ARN035 1.3 8 8165 8165 95.3 0.172 0.1683
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]
Coordinate Error Structure Solution Method Refinement High Resolution Refinement Low Resolution 295 154
RMS Deviations Key Refinement Restraint Deviation s_from_restr_planes 0.098 s_approx_iso_adps 0.085 s_similar_adp_cmpnt 0.032 s_bond_d 0.025 s_anti_bump_dis_restr 0.009 s_rigid_bond_adp_cmpnt 0.004 s_angle_d s_similar_dist s_zero_chiral_vol s_non_zero_chiral_vol
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms Nucleic Acid Atoms 370 Solvent Atoms 44 Heterogen Atoms 50
Software Software Software Name Purpose AMoRE phasing SHELXL-96 refinement DENZO data reduction SCALEPACK data scaling