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Crystal structure of mammalian capping enzyme (Mce1) and Pol II CTD complex
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1P16 NTase domain of CGT1
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7 291 6% PEG-3350, 100 mM HEPES, 3% dioxane and 5 mM DTT, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Crystal Properties Matthews coefficient Solvent content 2.2 44.21
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 82.98 α = 90 b = 114.75 β = 90 c = 150.22 γ = 90
Symmetry Space Group I 2 2 2
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 77 CCD ADSC QUANTUM 315 Cryo-Cooled Si(111) double crystal 2008-10-16 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 24-ID-C 0.979 APS 24-ID-C
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 2.8 50 93 0.062 15.3 6.5 17720 -1
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 2.8 2.9 82.1 0.219 2.5 1434
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) 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 NTase domain of CGT1 2.81 50 17661 905 98.8 0.224 0.224 0.28 0.281 RANDOM 58.6375
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] -15.83 29 -13.18
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 23.1 c_scangle_it 5.94 c_mcangle_it 4.12 c_scbond_it 4.01 c_mcbond_it 2.47 c_angle_deg 1 c_improper_angle_d 0.74 c_bond_d 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4244 Nucleic Acid Atoms Solvent Atoms 122 Heterogen Atoms 22
Software Software Software Name Purpose SCALEPACK data scaling CNS refinement PDB_EXTRACT data extraction ADSC data collection HKL-2000 data reduction HKL-2000 data scaling PHASER phasing