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Crystal structure of tandem winged helix domain of RNA polymerase I subunit A49 (P4)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model Other Crystal structure of tandem winged helix domain of RNA polymerase I subunit A49 (SG P21, on hold)
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8.5 277 26% PEG 4000, 200 mM lithium sulfate monohydrate, 100 mM Tris pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 2.3 46.6
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 96.71 α = 90 b = 96.71 β = 90 c = 54.61 γ = 90
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 70 CCD ADSC QUANTUM 315r torodial focusing mirror 2009-05-01 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID14-4 0.9790 ESRF ID14-4
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 2.17 80 99.8 0.08 0.08 27.5 11.7 26581 30.32
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) 2.17 2.45 99.8 0.597 0.597 6.3 12.5
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) 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) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT Crystal structure of tandem winged helix domain of RNA polymerase I subunit A49 (SG P21, on hold) 2.17 36.2 26581 26581 1339 0.1897 0.1879 0.1939 0.2245 0.2214 RANDOM 40.39
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] 0.5421 0.5421 -1.0842
RMS Deviations Key Refinement Restraint Deviation t_other_torsion 16.85 t_omega_torsion 2.76 t_angle_deg 1.08 t_bond_d 0.01 t_dihedral_angle_d t_incorr_chiral_ct t_pseud_angle t_trig_c_planes t_gen_planes t_it
RMS Deviations Key Refinement Restraint Deviation t_other_torsion 16.85 t_omega_torsion 2.76 t_angle_deg 1.08 t_bond_d 0.01 t_dihedral_angle_d t_incorr_chiral_ct t_pseud_angle t_trig_c_planes t_gen_planes t_it t_nbd t_improper_torsion t_chiral_improper_torsion t_sum_occupancies t_utility_distance t_utility_angle t_utility_torsion t_ideal_dist_contact
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3376 Nucleic Acid Atoms Solvent Atoms 205 Heterogen Atoms
Software Software Software Name Purpose ADSC data collection PHASER phasing BUSTER refinement XDS data reduction XDS data scaling