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Crystal structure of Thermus thermophilus transcription initiation complex soaked with GE23077
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4G7H PDB ENTRY 4G7H
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8.4 295 100 mM Tris-HCl, pH 8.4, 200 mM potassium chloride, 50 mM magnesium chloride, 9.5% PEG4000, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Crystal Properties Matthews coefficient Solvent content 3.11 60.5
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 183.77 α = 90 b = 103.2 β = 99.18 c = 294.77 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 270 2013-12-07 M SINGLE WAVELENGTH 2 1 x-ray 100 CCD ADSC QUANTUM 315r 2013-11-26 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON CHESS BEAMLINE F1 0.9180 CHESS F1 2 SYNCHROTRON NSLS BEAMLINE X29A 1.1 NSLS X29A
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (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 2.8 50 99.4 0.143 0.143 9.1 4.6 131716 131716 -3 47.83
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 2.8 2.85 99.5 0.718 0.718 1.5 4.3 6563
Refinement Statistics Diffraction ID Structure Solution Method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (All) 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 PDB ENTRY 4G7H 2.8 48.499 1.32 131716 131601 6580 98 0.2081 0.2058 0.2061 0.2517 0.2495 RANDOM 40.15
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 13.851 f_angle_d 0.812 f_chiral_restr 0.061 f_bond_d 0.004 f_plane_restr 0.004
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 27718 Nucleic Acid Atoms 823 Solvent Atoms 622 Heterogen Atoms 9
Software Software Software Name Purpose CBASS data collection MOLREP phasing PHENIX refinement HKL-2000 data reduction HKL-2000 data scaling