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1.6 Angstrom resolution crystal structure of putative streptothricin acetyltransferase from Bacillus anthracis str. Ames in complex with acetyl coenzyme A
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model Other SAD model of the data set collected on 21-ID-F
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7 295 Protein: 2.41 mg/mL. Crystallization conditions: PEG8K 20% KdihidrogenPO4 0.05M. Cryoprotectant - Paratone-N , pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Crystal Properties Matthews coefficient Solvent content 2.09 41.18
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 47.097 α = 90 b = 68.009 β = 97.61 c = 174.168 γ = 90
Symmetry Space Group C 1 2 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 CCD MARMOSAIC 225 mm CCD Be-Lenses/Diamond Laue Mono 2010-08-16 M SINGLE WAVELENGTH 2 1 x-ray 100 CCD MARMOSAIC 300 mm CCD Mirror 2010-08-23 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 21-ID-F 0.9787 APS 21-ID-F 2 SYNCHROTRON APS BEAMLINE 21-ID-D 1.04 APS 21-ID-D
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 1.6 30 98.5 0.065 20.6 5.4 70883 70883 -3 21
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) 1.6 1.63 82 0.489 2.96 4.5 2912
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 SAD THROUGHOUT SAD model of the data set collected on 21-ID-F 1.6 29.28 67311 67311 3571 98.44 0.1903 0.18863 0.2182 0.22203 0.2522 RANDOM 28.639
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] 0.2 -1.19 -0.19 -0.33
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 21.727 r_dihedral_angle_4_deg 11.293 r_dihedral_angle_3_deg 8.071 r_scangle_it 3.69 r_scbond_it 2.366 r_dihedral_angle_1_deg 2.306 r_angle_refined_deg 1.591 r_mcangle_it 1.469 r_angle_other_deg 0.904 r_mcbond_it 0.796
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 21.727 r_dihedral_angle_4_deg 11.293 r_dihedral_angle_3_deg 8.071 r_scangle_it 3.69 r_scbond_it 2.366 r_dihedral_angle_1_deg 2.306 r_angle_refined_deg 1.591 r_mcangle_it 1.469 r_angle_other_deg 0.904 r_mcbond_it 0.796 r_mcbond_other 0.202 r_chiral_restr 0.103 r_bond_refined_d 0.01 r_gen_planes_refined 0.006 r_gen_planes_other 0.002 r_bond_other_d 0.001
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4308 Nucleic Acid Atoms Solvent Atoms 355 Heterogen Atoms 180
Software Software Software Name Purpose Blu-Ice data collection PHENIX model building REFMAC refinement HKL-2000 data reduction HKL-2000 data scaling PHENIX phasing