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The Crystal Structure of Human Argonaute2 Bound to a Defined Guide RNA
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4OLA
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION 293 PEG, Tris, Isopropanol, Phenol, Magnesium
Crystal Properties Matthews coefficient Solvent content 2.15 42.87
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 63.117 α = 90 b = 108.87 β = 106.93 c = 68.071 γ = 90
Symmetry Space Group P 1 21 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 PIXEL DECTRIS PILATUS 6M 2013-12-11 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRL BEAMLINE BL11-1 0.97945 SSRL BL11-1
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 2.9 38.98 98.8 0.07 15.6 3.5 19381
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 2.9 3.08 98.8 2.6 3.6
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 FREE R-VALUE 4OLA 2.9 38.98 19358 970 98.73 0.2192 0.2173 0.222 0.2533 0.2561 copy from 4OLA
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]
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 14.366 f_angle_d 1.035 f_chiral_restr 0.067 f_bond_d 0.01 f_plane_restr 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 6461 Nucleic Acid Atoms 355 Solvent Atoms 34 Heterogen Atoms 22
Software Software Software Name Purpose PHENIX refinement XDS data scaling PHASER phasing