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Human Islet Amyloid Polypeptide Segment 19-SGNNFGAILSS-29 with Early Onset S20G Mutation Determined by MicroED
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 BATCH MODE 7.4 295 1 mmol SGNNFGAILSS in 1 L phosphate-buffered saline with 1% DMSO incubated under quiescent conditions overnight
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 4.78 α = 90 b = 18.6 β = 90 c = 70.8 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 electron 100 CMOS TVIPS F416 CMOS CAMERA 2014-11-11 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ELECTRON MICROSCOPE TECNAI F20 TEM 0.0251
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Rrim 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 1.9 35.4 82.9 0.106 0.13 0.989 5.65 548 -3 15.55
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.9 2.13 64.6 0.15 0.191 0.939 3.65
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-Free (Depositor) Mean Isotropic B ELECTRON CRYSTALLOGRAPHY MOLECULAR REPLACEMENT FREE R-VALUE 1.9 1.9 1.49 546 53 82.98 0.2318 0.2275 0.2749 14.5116
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 10.079 f_angle_d 1.233 f_chiral_restr 0.037 f_bond_d 0.01 f_plane_restr 0.004
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 75 Nucleic Acid Atoms Solvent Atoms 1 Heterogen Atoms
Software Software Software Name Purpose XSCALE data scaling PHASER phasing PHENIX refinement PDB_EXTRACT data extraction
Specimen Preparation Sample Aggregation State 3D ARRAY Vitrification Instrument Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method CRYSTALLOGRAPHY Number of Particles Reported Resolution (Å) 1.9 Resolution Method DIFFRACTION PATTERN/LAYERLINES Other Details Refinement Type Symmetry Type 3D CRYSTAL Space Group Name Length a 4.78 Length b 18.6 Length c 18.6 Angle Alpha 90 Angle Beta 90 Angle Gamma 90
Map-Model Fitting and Refinement Id 1 Refinement Space RECIPROCAL Refinement Protocol OTHER Refinement Target maximum likelihood Overall B Value 14.512 Fitting Procedure Details
Data Acquisition Detector Type TVIPS TEMCAM-F416 (4k x 4k) Electron Dose (electrons/Å**2) 0.01
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TECNAI 20 Minimum Defocus (nm) Maximum Defocus (nm) Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode DIFFRACTION Specimen Holder Model GATAN 626 SINGLE TILT LIQUID NITROGEN CRYO TRANSFER HOLDER Nominal Magnification Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 200 Imaging Details
EM Software Task Software Package Version IMAGE ACQUISITION EM-Menu DIFFRACTION INDEXING XDS MODEL FITTING Coot 0.8.2 MOLECULAR REPLACEMENT Phaser 2.5.6 MODEL REFINEMENT PHENIX 1.9
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details NONE