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Crystal structure of a trimeric exonuclease PhoExo I from Pyrococcus horikoshii OT3 at 2.20A resolution.
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 6.7 293 CaCl2, Bis-Tris, Polyethylene glycol monomethyl ether 550
Crystal Properties Matthews coefficient Solvent content 2.22 44.69
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 81.94 α = 90 b = 88.98 β = 90 c = 93.95 γ = 90
Symmetry Space Group P 21 21 21
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 95 CCD ADSC QUANTUM 315r 2008-10-26 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON PHOTON FACTORY BEAMLINE BL-5A 1.0000 Photon Factory BL-5A
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Rrim 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 2.2 20 99.5 0.067 0.074 18.28 6.8 35388 -3 34.2
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.2 2.26 97.6 0.546 0.639 2.01
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method 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 FREE R-VALUE 2.2 19.963 2 35386 1772 99.7 0.1953 0.1933 0.1941 0.2329 0.2332 45.26
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 13.719 f_angle_d 0.891 f_chiral_restr 0.063 f_plane_restr 0.004 f_bond_d 0.003
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4972 Nucleic Acid Atoms Solvent Atoms 97 Heterogen Atoms 3
Software Software Software Name Purpose XSCALE data scaling PHENIX refinement PDB_EXTRACT data extraction XDS data reduction MOLREP phasing