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Crystal Structure of E. coli class Ia ribonucleotide reductase alpha subunit bound to dATP
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3R1R 3R1R
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 277.15 6.8% (w/vol) PEG3350, 80mM HEPES pH7.3, 280mM MgCl2, 4% (vol/vol) glycerol, and 1.0% CYMAL-1 detergent
Crystal Properties Matthews coefficient Solvent content 3.07 59.88
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 118.513 α = 90 b = 118.513 β = 90 c = 290.295 γ = 90
Symmetry Space Group P 43 21 2
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 2010-10-11 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 24-ID-C 0.97931 APS 24-ID-C
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Rpim I (All) 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 2.548 50 99.9 0.083 0.093 0.042 9.7 4.8 68422 47.48
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Rpim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.55 2.59 100 0.83 0.93 0.416 0.694 4.9
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) 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) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 3R1R 2.548 49.785 1.34 68340 3376 99.92 0.1667 0.1647 0.1723 0.2046 0.2112 51.7427
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 12.236 f_angle_d 0.66 f_chiral_restr 0.025 f_bond_d 0.002 f_plane_restr 0.002
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 11691 Nucleic Acid Atoms Solvent Atoms 676 Heterogen Atoms 160
Software Software Software Name Purpose HKL-2000 data reduction HKL-2000 data scaling PHASER phasing PHENIX refinement PDB_EXTRACT data extraction