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Structure of a T7 RNA polymerase elongation complex at 2.9A resolution
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1QLN PDB ENTRY 1QLN
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 8.1 10% PEG 8000, 8% GLYCEROL, 5MM BETA-MERCAPTOETHANOL,100 MM TRIS BUFFER, PH8.1, pH 8.10
Crystal Properties Matthews coefficient Solvent content 2.89 57.44
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 79.907 α = 90.36 b = 84.971 β = 92.97 c = 202.003 γ = 109.94
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 IMAGE PLATE RIGAKU IMAGE PLATE M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SPRING-8 BEAMLINE BL45XU SPring-8 BL45XU
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 2.6 40 94.2 0.081 14.7 3.4 143689 -1 39.5
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 2.6 2.69 73.6 0.451 2.9
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-Factor (Observed) R-Work (Depositor) R-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 1QLN 2.9 39.93 108303 5487 98 0.236 0.236 0.284 RANDOM 71.3
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] -3.55 9.46 6.73 6.2 3.56 -2.65
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 21.5 c_scangle_it 2.64 c_mcangle_it 2.25 c_scbond_it 1.66 c_angle_deg 1.5 c_mcbond_it 1.32 c_improper_angle_d 1.09 c_bond_d 0.016 c_bond_d_na c_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 21.5 c_scangle_it 2.64 c_mcangle_it 2.25 c_scbond_it 1.66 c_angle_deg 1.5 c_mcbond_it 1.32 c_improper_angle_d 1.09 c_bond_d 0.016 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na c_angle_deg_prot c_dihedral_angle_d_na c_dihedral_angle_d_prot c_improper_angle_d_na c_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 26984 Nucleic Acid Atoms 2802 Solvent Atoms 1162 Heterogen Atoms
Software Software Software Name Purpose CNS refinement DENZO data reduction SCALEPACK data scaling