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Class D GPCR Ste2 dimer coupled to two G proteins
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 6G79
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 8.558 f_angle_d 0.894 f_chiral_restr 0.053 f_plane_restr 0.006 f_bond_d 0.005
Sample Ste2 dimer coupled to two G proteins Sample Components Ste2 dimer coupled to two G proteins Alpha-factor mating pheromone Guanine nucleotide-binding protein alpha-1 subunit,Guanine nucleotide-binding protein alpha-1 subunit
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 96611 Reported Resolution (Å) 3.5 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Number of Particles 16418 Reported Resolution (Å) 3.3 Resolution Method FSC 0.143 CUT-OFF Other Details 16418 particles from this dataset contributed to the final 131274 particles that provided map 2 at 3.3 angstrom global resolution Refinement Type Symmetry Type POINT Number of Particles 4556 Reported Resolution (Å) 3.3 Resolution Method FSC 0.143 CUT-OFF Other Details 4556 particles from this dataset contributed to the final 131274 particles that provided map 2 at 3.3 angstrom global resolution Refinement Type Symmetry Type POINT Number of Particles 110300 Reported Resolution (Å) 3.3 Resolution Method FSC 0.143 CUT-OFF Other Details 110300 particles from this dataset contributed to the final 131274 particles that provided map 2 at 3.3 angstrom global resolution Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 (6G79, 6G79, 6G79) Refinement Space REAL Refinement Protocol Refinement Target Correlation coefficient Overall B Value 112 Fitting Procedure Details Manual building was performed in Coot iterated with real space refinement in PHENIX.
Data Acquisition Detector Type GATAN K2 QUANTUM (4k x 4k) GATAN K2 QUANTUM (4k x 4k) GATAN K2 QUANTUM (4k x 4k) Electron Dose (electrons/Å**2) 45 48 40
Imaging Experiment 1 2 3 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS FEI TITAN KRIOS FEI TITAN KRIOS Minimum Defocus (nm) 900 900 900 Maximum Defocus (nm) 2700 2700 2700 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 2.7 2.7 Imaging Mode BRIGHT FIELD BRIGHT FIELD BRIGHT FIELD Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER FEI TITAN KRIOS AUTOGRID HOLDER FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification 130000 105000 105000 Calibrated Magnification Source FIELD EMISSION GUN FIELD EMISSION GUN FIELD EMISSION GUN Acceleration Voltage (kV) 300 300 300 Imaging Details eBIC Krios1 LMB Krios1 LMB Krios 2
EM Software Task Software Package Version MODEL FITTING Coot 0.9 pre-EL INITIAL EULER ASSIGNMENT RELION 3.1 FINAL EULER ASSIGNMENT RELION 3.1 RECONSTRUCTION RELION 3.1 INITIAL EULER ASSIGNMENT RELION 3.1 FINAL EULER ASSIGNMENT RELION 3.1 RECONSTRUCTION RELION 3.1 INITIAL EULER ASSIGNMENT RELION 3.1 FINAL EULER ASSIGNMENT RELION 3.1 RECONSTRUCTION RELION INITIAL EULER ASSIGNMENT RELION 3.1 FINAL EULER ASSIGNMENT RELION 3.1 MODEL REFINEMENT PHENIX 1.17.1-3660
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details NONE 2193519 NONE 485568 NONE 781447 NONE 2193519