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Crystal structure of the dATP inhibited E. coli class Ia ribonucleotide reductase complex
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2R1R PDB entry 2R1R and PDB entry 1MXR experimental model PDB 1MXR PDB entry 2R1R and PDB entry 1MXR
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.5 298 10.8% PEG 3350, 0.18M magnesium acetate, 0.09M MOPS pH 7.5, 0.01M iron (III) chloride, 4.5% glycerol , VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 3.13 60.7
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 287.358 α = 90 b = 153.457 β = 119.91 c = 169.416 γ = 90
Symmetry Space Group C 1 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 2010-09-29 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 8.2.2 0.9794 ALS 8.2.2
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 5.65 50 99.4 0.074 9.3 3.1 19267 19134
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 5.65 5.85 99.4 0.599 2.1 3.1 1871
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (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 PDB entry 2R1R and PDB entry 1MXR 5.65 50 19267 17565 895 91.2 0.2567 0.2569 0.3034 0.3035 Random
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 c_angle_d 0.8195 c_bond_d 0.00385
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 34781 Nucleic Acid Atoms Solvent Atoms Heterogen Atoms 248
Software Software Software Name Purpose ADSC data collection PHASER phasing CNS refinement HKL-2000 data reduction HKL-2000 data scaling