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Crystal structure of the anaerobic ribonucleotide reductase from Thermotoga maritima with citrate in the active site
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4COI PDB ENTRY 4COI
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 24 MG/ML, 13% (W/V) PEG3000, 100 MM CITRATE PH 5.3 AND 5 MM DTT. SOAKED IN 20% (V/V) PEG400.
Crystal Properties Matthews coefficient Solvent content 2 39.6
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 78.55 α = 90 b = 97.74 β = 112.13 c = 86.58 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 CCD MARMOSAIC 225 mm CCD ONE PAIR OF PT COATED SI MIRROR 2010-11-12 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID23-2 ESRF ID23-2
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 2.12 42.58 99.3 0.06 14.8 3.6 68379 36.5
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.12 2.25 98 0.54 2.1 3.6
Refinement Statistics Diffraction ID Structure Solution 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-Free (Depositor) R-Free (DCC) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT PDB ENTRY 4COI 2.12 41.733 1.36 68347 1712 99.45 0.1831 0.1822 0.2182 0.2138
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 14.62 f_angle_d 1.093 f_chiral_restr 0.081 f_bond_d 0.009 f_plane_restr 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 8996 Nucleic Acid Atoms Solvent Atoms 188 Heterogen Atoms 26
Software Software Software Name Purpose PHENIX refinement XDS data reduction XSCALE data scaling REFMAC phasing