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Crystal structure of the C-terminal domain of Tetrahymena telomerase protein p65
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4ERD PDB ENTRY 4ERD
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 4.2 278 0.1 M phosphate/citrate, 0.2 M lithium sulfate, 20% w/v PEG1000, pH 4.2, VAPOR DIFFUSION, HANGING DROP, temperature 278K
Crystal Properties Matthews coefficient Solvent content 3.02 59.3
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 156.19 α = 90 b = 91.9 β = 107.36 c = 82.83 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 MARMOSAIC 300 mm CCD 2011-06-08 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 23-ID-D 1.0332 APS 23-ID-D
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 2.5 79.057 94.5 0.085 11.6 6.2 38820 36719
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.5 2.64 93.5 0.577 0.577 1.3 3.5 5276
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) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 4ERD 2.5 60.549 0.91 36715 1845 92.94 0.2269 0.2247 0.2212 0.268 0.2632 RANDOM 93.5003
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] 2.4752 -0.9894 0.1246 -2.5998
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 16.266 f_angle_d 1.192 f_chiral_restr 0.082 f_bond_d 0.009 f_plane_restr 0.004
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4910 Nucleic Acid Atoms Solvent Atoms 10 Heterogen Atoms 5
Software Software Software Name Purpose SCALA data scaling PHASER phasing PHENIX refinement PDB_EXTRACT data extraction ADSC data collection MOSFLM data reduction