7AD3
Class D GPCR Ste2 dimer coupled to two G proteins
ELECTRON MICROSCOPY
Refinement
RMS Deviations | |
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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 |
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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 |
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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 | ||
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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 |