☰ Navigation Tabs
RNA polymerase alpha C-terminal domain (E. coli) and sigma region 4 (T. aq. mutant) bound to (UP,-35 element) DNA
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3N4M PDB entries 3n4m, 1lb2 and 1ku7 experimental model PDB 1LB2 PDB entries 3n4m, 1lb2 and 1ku7 experimental model PDB 1KU7 PDB entries 3n4m, 1lb2 and 1ku7
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 5.6 289.15 28% (w/v) PEG4000, 0.2 M ammonium acetate, 0.01 M sarcosine, 0.1 M sodium citrate, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 289.15K
Crystal Properties Matthews coefficient Solvent content 2.62 53.03
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 80.71 α = 90 b = 86.41 β = 90 c = 147.11 γ = 90
Symmetry Space Group C 2 2 21
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 315r 2008-10-23 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X25 0.92 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 3.25 25.43 90.1 0.081 0.081 11.1 3.3 7461 7461 -1 2.5 98.8
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 3.25 3.42 91.8 0.816 0.816 1.6 3.3 1048
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation 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 (All) 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 entries 3n4m, 1lb2 and 1ku7 3.252 25.43 1.13 8450 7422 480 88.65 0.257 0.257 0.254 0.2547 0.295 0.3082 random 138.929
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] 39.777 -5.676 -34.1
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 23.614 f_angle_d 1.212 f_chiral_restr 0.057 f_plane_restr 0.008 f_bond_d 0.006
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2006 Nucleic Acid Atoms 875 Solvent Atoms 1 Heterogen Atoms 4
Software Software Software Name Purpose MOSFLM data reduction SCALA data scaling PHASER phasing PHENIX refinement PDB_EXTRACT data extraction CBASS data collection