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Crystal structure of iAChSnFR Fluorescent Acetylcholine Sensor precursor binding protein
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 6EFR
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 9.5 293 20% PEG 8,000
0.1 M CHES, pH 9.5
10 mM spermidine
Crystal Properties Matthews coefficient Solvent content 2.38 48.24
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 46.76 α = 90 b = 65.781 β = 90 c = 96.592 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 PIXEL DECTRIS PILATUS 6M 2019-07-05 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRL BEAMLINE BL12-2 1 SSRL BL12-2
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) 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 1.64 38.11 98.88 0.06946 0.0757 0.02968 0.999 13.18 6.4 36549 24.4
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Rpim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.645 1.704 93.98 1.257 1.366 0.5266 0.636 1.17 6.3
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model 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 6EFR 1.64 38.11 1.34 36533 1828 98.89 0.182 0.18 0.1822 0.221 0.2207 33.94
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 9.678 f_angle_d 0.8628 f_chiral_restr 0.053 f_bond_d 0.0061 f_plane_restr 0.0052
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2203 Nucleic Acid Atoms Solvent Atoms 206 Heterogen Atoms 40
Software Software Software Name Purpose PHENIX refinement Blu-Ice data collection XDS data reduction Aimless data scaling PHASER phasing