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Avermitilol synthase A177S: Complex with Mg, inorganic pyrophosphate, and benzyltriethyl ammonium cation
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model Other Structure from wild-type btac complex
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 277 8 mg/mL avermitilol synthase, 0.1 M bis-tris propane (pH 8.5-9.4), 30%PEG 6000, and 0.3-0.5% n-dodecyl-beta-D-maltoside
Crystal Properties Matthews coefficient Solvent content 2.16 42.96
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 95.571 α = 90 b = 56.096 β = 125.34 c = 72.693 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 PIXEL DECTRIS EIGER X 16M 2025-07-25 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS-II BEAMLINE 17-ID-2 0.98 NSLS-II 17-ID-2
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Rpim I (All) CC (Half) 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 1.29 29.89 94.4 0.076 0.039 0.998 9.2 4.4 73659 12.39
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rpim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.3 1.32 0.912 0.652 0.332
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Cut-off Sigma (F) 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) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R-VALUE 1.29 29.89 1.36 73587 2000 94.28 0.179 0.1785 0.1784 0.1951 0.1951 15.51
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]
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 13.254 f_angle_d 0.8802 f_chiral_restr 0.0706 f_plane_restr 0.0082 f_bond_d 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2481 Nucleic Acid Atoms Solvent Atoms 196 Heterogen Atoms 30
Software Software Software Name Purpose PHENIX refinement PHENIX refinement XDS data reduction Aimless data scaling PHASER phasing