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Crystal Structure Analysis of a RNA Helicase
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 6.5 277 0.08 M Sodium cacodylate, 0.16 M Calcium acetate hydrate, 14.4 % PEG 8000, 20 % glycerol, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 4.94 75.09
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 113.7 α = 90 b = 113.7 β = 90 c = 141.65 γ = 120
Symmetry Space Group P 32 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 2009-10-23 M MAD
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON DIAMOND BEAMLINE I03 0.98000, 0.98020, 0.96860 Diamond I03
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 2.8 98.51 100 0.099 14.1 10.8 26628 26628
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 2.8 2.95 100 0.01 1.041 0.7 11.1 3834
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method 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 MAD THROUGHOUT 2.8 98.51 26598 1343 99.95 0.212 0.211 0.2147 0.238 0.2368 RANDOM 65.358
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] 0.82 0.41 0.82 -1.23
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 38.263 r_dihedral_angle_4_deg 19.733 r_dihedral_angle_3_deg 16.387 r_dihedral_angle_1_deg 5.611 r_scangle_it 3.428 r_scbond_it 2.033 r_angle_refined_deg 1.457 r_mcangle_it 1.326 r_angle_other_deg 0.884 r_mcbond_it 0.659
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 38.263 r_dihedral_angle_4_deg 19.733 r_dihedral_angle_3_deg 16.387 r_dihedral_angle_1_deg 5.611 r_scangle_it 3.428 r_scbond_it 2.033 r_angle_refined_deg 1.457 r_mcangle_it 1.326 r_angle_other_deg 0.884 r_mcbond_it 0.659 r_mcbond_other 0.113 r_chiral_restr 0.073 r_bond_refined_d 0.015 r_gen_planes_refined 0.006 r_bond_other_d 0.001 r_gen_planes_other 0.001
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3679 Nucleic Acid Atoms Solvent Atoms 27 Heterogen Atoms 67
Software Software Software Name Purpose SCALA data scaling REFMAC refinement PDB_EXTRACT data extraction GDA data collection MOSFLM data reduction SHARP phasing