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Crystal Structure of an Intermediate Complex of T7 RNAP and 7nt of RNA
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 8 285 PEG 6000, MgCl2, Tris ph8.0 at 285K, VAPOR DIFFUSION, SITTING DROP
Crystal Properties Matthews coefficient Solvent content 2.78 55.72
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 81.008 α = 90 b = 81.008 β = 90 c = 358.791 γ = 120
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray CCD ADSC QUANTUM 315 2007-12-10 SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 24-ID-C 1.5418 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 2.9 50 93.6 0.081 6.4 27490
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 2.9 3 49.4 0.62 2.5
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) 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 THROUGHOUT 3 37.8 24767 1330 98.48 0.24296 0.24044 0.2513 0.29162 0.3072 RANDOM 99.918
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] 0.82 0.41 0.82 -1.23
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 24.431 r_dihedral_angle_3_deg 11.638 r_dihedral_angle_4_deg 9.048 r_dihedral_angle_1_deg 2.93 r_angle_refined_deg 1.181 r_nbtor_refined 0.299 r_nbd_refined 0.203 r_scangle_it 0.165 r_symmetry_vdw_refined 0.161 r_mcangle_it 0.143
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 24.431 r_dihedral_angle_3_deg 11.638 r_dihedral_angle_4_deg 9.048 r_dihedral_angle_1_deg 2.93 r_angle_refined_deg 1.181 r_nbtor_refined 0.299 r_nbd_refined 0.203 r_scangle_it 0.165 r_symmetry_vdw_refined 0.161 r_mcangle_it 0.143 r_xyhbond_nbd_refined 0.138 r_symmetry_hbond_refined 0.114 r_scbond_it 0.102 r_chiral_restr 0.097 r_mcbond_it 0.085 r_bond_refined_d 0.006 r_gen_planes_refined 0.002 r_bond_other_d r_angle_other_deg r_gen_planes_other r_nbd_other r_nbtor_other r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_other r_symmetry_vdw_other r_symmetry_hbond_other r_symmetry_metal_ion_refined r_symmetry_metal_ion_other r_mcbond_other r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 6589 Nucleic Acid Atoms 1351 Solvent Atoms 73 Heterogen Atoms
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling PHASER phasing REFMAC refinement PDB_EXTRACT data extraction