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E. coli Transcription Initiation Complex - 17-bp spacer and 4-nt RNA
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7 298 7% PEG3350, 150 mM magnesium chloride, 100 mM HEPES sodium, pH 7.0
Crystal Properties Matthews coefficient Solvent content 3.83 67.85
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 237.401 α = 90 b = 206.052 β = 116.55 c = 248.69 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 2013-06-09 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) 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 5.5 40 99.9 9.4 4.7 69849
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 5.5 5.59 100 0.71 4.6
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 5.5 39.9 65966 3459 99.32 0.24889 0.24471 0.2446 0.32811 0.3272 RANDOM 219.466
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] 0.68 0.24 0.55 -0.98
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 26.814 r_dihedral_angle_3_deg 20.833 r_dihedral_angle_4_deg 17.458 r_dihedral_angle_1_deg 6.318 r_angle_refined_deg 1.488 r_chiral_restr 0.108 r_bond_refined_d 0.01 r_gen_planes_refined 0.006 r_bond_other_d r_angle_other_deg
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 26.814 r_dihedral_angle_3_deg 20.833 r_dihedral_angle_4_deg 17.458 r_dihedral_angle_1_deg 6.318 r_angle_refined_deg 1.488 r_chiral_restr 0.108 r_bond_refined_d 0.01 r_gen_planes_refined 0.006 r_bond_other_d r_angle_other_deg r_gen_planes_other r_nbd_refined r_nbd_other r_nbtor_refined r_nbtor_other r_xyhbond_nbd_refined r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_other r_symmetry_vdw_refined r_symmetry_vdw_other r_symmetry_hbond_refined r_symmetry_hbond_other r_symmetry_metal_ion_refined r_symmetry_metal_ion_other r_mcbond_it r_mcbond_other r_mcangle_it r_mcangle_other r_scbond_it r_scbond_other r_scangle_it r_scangle_other r_long_range_B_refined r_long_range_B_other r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 88284 Nucleic Acid Atoms 6315 Solvent Atoms Heterogen Atoms 9
Software Software Software Name Purpose REFMAC refinement HKL-2000 data reduction HKL-2000 data scaling PHASER phasing