☰ Navigation Tabs
Crystal structure of Thermus thermophilus transcription initiation complex
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1IW7 PDB ENTRY 1IW7
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8.7 295 100 mM Tris-HCl, pH 8.7, 200 mM potassium chloride, 50 mM magnesium chloride, 10% PEG4000, VAPOR DIFFUSION, HANGING DROP, temperature 295.0K
Crystal Properties Matthews coefficient Solvent content 3.22 61.84
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 185.56 α = 90 b = 104.57 β = 98.32 c = 297.55 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 PIXEL DECTRIS PILATUS 6M 2012-03-21 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X25 1.1 NSLS X25
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 2.9 50 99.6 0.101 0.101 11.2 4.9 250138 249337
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 2.9 3.05 99.1 0.667 0.667 2.3 4.6
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) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT PDB ENTRY 1IW7 2.9 49.27 0.82 249053 249046 2204 99.48 0.1884 0.188 0.1951 0.2259 0.2274
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] -5.6203 6.6393 24.6399 -19.0196
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 16.363 f_angle_d 0.989 f_chiral_restr 0.074 f_bond_d 0.005 f_plane_restr 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 55246 Nucleic Acid Atoms 1646 Solvent Atoms 514 Heterogen Atoms 14
Software Software Software Name Purpose CBASS data collection MOLREP phasing PHENIX refinement MOSFLM data reduction SCALA data scaling