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Structure of a ketosynthase-acyltransferase di-domain from module CurL of the curacin A polyketide synthase
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2QO3 PDB ENTRY 2QO3
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 6.5 277 32% PEG 2000, 12% glycerol, 200mM calcium acetate, 100mM Bis-Tris propane pH6.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 3.02 59.24
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 69.265 α = 90 b = 150.704 β = 90 c = 236.005 γ = 90
Symmetry Space Group P 21 21 21
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 IMAGE PLATE MAR scanner 300 mm plate 2011-07-13 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 23-ID-D 1.033 APS 23-ID-D
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 2.8 50 99.8 0.105 6.5 61718 61718 66.73
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.8 2.9 99.6 0.69 6.3
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-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 2QO3 2.8 40.99 61718 61613 3118 0.1873 0.1849 0.2308 0.2208 RANDOM 62.29
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] 13.1511 0.8499 -14.0011
RMS Deviations Key Refinement Restraint Deviation t_other_torsion 20.92 t_omega_torsion 2.77 t_angle_deg 1.22 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 20.92 t_omega_torsion 2.77 t_angle_deg 1.22 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 13145 Nucleic Acid Atoms Solvent Atoms 282 Heterogen Atoms 2
Software Software Software Name Purpose Blu-Ice data collection PHASER phasing BUSTER refinement HKL-2000 data reduction HKL-2000 data scaling