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2.4A X-ray crystal structure of unliganded RNA fragment GGGCGUCGCUAGUACC/CGGUACUAAAAGUCGCC containing the human ribosomal decoding A site: RNA construct with 5'-overhang
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2OE5
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 5.6 298 0.05M MES BUFFER, 15-20% MPD, 0.02-0.04M MAGNESIUM ACETATE, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.12 42
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 28.157 α = 90 b = 36.416 β = 90 c = 87.325 γ = 90
Symmetry Space Group P 21 21 21
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 2000-04-01 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X9A 1.0000 NSLS X9A
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 2.4 20 95.55 3649 3649
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) 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 2OE5 2.4 18.73 3468 181 95.55 0.21173 0.20935 0.2194 0.25246 0.2388 RANDOM 25.171
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
RMS Deviations Key Refinement Restraint Deviation r_scangle_it 4.775 r_scbond_it 3.754 r_angle_refined_deg 1.865 r_angle_other_deg 1.039 r_nbd_other 0.232 r_xyhbond_nbd_refined 0.209 r_symmetry_vdw_other 0.202 r_symmetry_hbond_refined 0.168 r_nbd_refined 0.136 r_symmetry_vdw_refined 0.131
RMS Deviations Key Refinement Restraint Deviation r_scangle_it 4.775 r_scbond_it 3.754 r_angle_refined_deg 1.865 r_angle_other_deg 1.039 r_nbd_other 0.232 r_xyhbond_nbd_refined 0.209 r_symmetry_vdw_other 0.202 r_symmetry_hbond_refined 0.168 r_nbd_refined 0.136 r_symmetry_vdw_refined 0.131 r_xyhbond_nbd_other 0.117 r_chiral_restr 0.092 r_bond_refined_d 0.017 r_gen_planes_refined 0.011 r_bond_other_d 0.001 r_dihedral_angle_1_deg r_dihedral_angle_2_deg r_dihedral_angle_3_deg r_dihedral_angle_4_deg r_gen_planes_other r_nbtor_refined r_nbtor_other r_metal_ion_refined r_metal_ion_other r_symmetry_hbond_other r_symmetry_metal_ion_refined r_symmetry_metal_ion_other r_mcbond_it r_mcbond_other r_mcangle_it r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms Nucleic Acid Atoms 698 Solvent Atoms 71 Heterogen Atoms
Software Software Software Name Purpose REFMAC refinement HKL-2000 data collection HKL-2000 data reduction HKL-2000 data scaling AMoRE phasing