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Structure of an archaeal heterotrimeric initiation factor 2 reveals a nucleotide state between the GTP and the GDP states
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2AHO chain A from 2AHO
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7.5 297 1.6M ammonium citrate, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 297K
Crystal Properties Matthews coefficient Solvent content 4.52 72.77
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 118.323 α = 90 b = 118.323 β = 90 c = 161.449 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 2006-06-23 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID23-1 1.007 ESRF ID23-1
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 3.2 50 98.7 0.111 8.9 4.3 21823 21823 66
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 3.2 3.3 99.9 0.338 3.6 4.5 1900
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) 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 Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT chain A from 2AHO 3.2 50 2 22105 20674 1209 93.5 0.254 0.254 0.254 0.2497 0.314 random 66.3
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] -9.772 -27.048 -9.772 19.545
RMS Deviations Key Refinement Restraint Deviation c_angle_d 1.7088 c_bond_d 0.008895
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4989 Nucleic Acid Atoms Solvent Atoms 1 Heterogen Atoms 34
Software Software Software Name Purpose ADSC data collection PHASER phasing CNS refinement XDS data reduction XSCALE data scaling