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Crystal structure of the C-terminal domain of Anti-Sigma factor antagonist STAS from Rhodobacter sphaeroides
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 6.2 291 0.2 M Sodium Chloride
Na/K phosphate
50% PEG 200
, pH 6.2, VAPOR DIFFUSION, SITTING DROP, temperature 291K
Crystal Properties Matthews coefficient Solvent content 2.94 58.1
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 98.428 α = 90 b = 98.428 β = 90 c = 46.825 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 100 CCD ADSC QUANTUM 315r mirrors 2009-07-28 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 19-ID 0.9794 APS 19-ID
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 2.15 40 99.8 0.094 25.4 4.6 14500 14242 2 2 50
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 2.15 100 0.75 2 4.5 717
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Cut-off Sigma (I) 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 SAD THROUGHOUT 2.15 40 2 2 14250 13489 747 99.62 0.20164 0.20164 0.19946 0.2436 0.2418 0.2696 RANDOM 18.643
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] 2.18 2.18 -4.36
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 32.555 r_dihedral_angle_4_deg 20.389 r_dihedral_angle_3_deg 18.222 r_dihedral_angle_1_deg 7.201 r_scangle_it 4.72 r_scbond_it 3.031 r_angle_refined_deg 2.01 r_mcangle_it 1.842 r_angle_other_deg 1.086 r_mcbond_it 1.055
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 32.555 r_dihedral_angle_4_deg 20.389 r_dihedral_angle_3_deg 18.222 r_dihedral_angle_1_deg 7.201 r_scangle_it 4.72 r_scbond_it 3.031 r_angle_refined_deg 2.01 r_mcangle_it 1.842 r_angle_other_deg 1.086 r_mcbond_it 1.055 r_mcbond_other 0.304 r_chiral_restr 0.13 r_bond_refined_d 0.023 r_gen_planes_refined 0.008 r_bond_other_d 0.003 r_gen_planes_other 0.001 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_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1395 Nucleic Acid Atoms Solvent Atoms 82 Heterogen Atoms
Software Software Software Name Purpose SBC-Collect data collection SHELX model building HKL-3000 phasing MLPHARE phasing CCP4 model building DM model building ARP/wARP model building Coot model building REFMAC refinement HKL-3000 data reduction HKL-3000 data scaling SHELX phasing CCP4 phasing DM phasing