6IRA
Structure of the human GluN1/GluN2A NMDA receptor in the glutamate/glycine-bound state at pH 7.8
ELECTRON MICROSCOPY
Sample |
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Human GluN1/GluN2A NMDA receptors in the glutamate/glycine-bound state at pH 7.8 |
Specimen Preparation | |
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Sample Aggregation State | PARTICLE |
Vitrification Instrument | FEI VITROBOT MARK II |
Cryogen Name | ETHANE |
Sample Vitrification Details | blot for 2 seconds before plunging in liquid ethane. |
3D Reconstruction | |
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Reconstruction Method | SINGLE PARTICLE |
Number of Particles | 131990 |
Reported Resolution (Å) | 4.5 |
Resolution Method | FSC 0.143 CUT-OFF |
Other Details | |
Refinement Type | |
Symmetry Type | POINT |
Point Symmetry | C2 |
Map-Model Fitting and Refinement | |||||
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Id | 1 (4PE5, 5TQ0, 5H8F, 4PE5, 4PE5, 4PE5, 5H8F) | ||||
Refinement Space | |||||
Refinement Protocol | RIGID BODY FIT | ||||
Refinement Target | |||||
Overall B Value | |||||
Fitting Procedure | |||||
Details |
Data Acquisition | |||||||||
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Detector Type | GATAN K2 SUMMIT (4k x 4k) | ||||||||
Electron Dose (electrons/Å**2) | 63 |
Imaging Experiment | 1 |
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Date of Experiment | |
Temperature (Kelvin) | |
Microscope Model | FEI TITAN KRIOS |
Minimum Defocus (nm) | |
Maximum Defocus (nm) | |
Minimum Tilt Angle (degrees) | |
Maximum Tilt Angle (degrees) | |
Nominal CS | |
Imaging Mode | BRIGHT FIELD |
Specimen Holder Model | |
Nominal Magnification | |
Calibrated Magnification | |
Source | FIELD EMISSION GUN |
Acceleration Voltage (kV) | 300 |
Imaging Details |
EM Software | ||
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Task | Software Package | Version |
CTF CORRECTION | Gctf | |
MODEL FITTING | UCSF Chimera | |
CLASSIFICATION | cryoSPARC | |
MODEL REFINEMENT | PHENIX |
Image Processing | ||||
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CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
PHASE FLIPPING AND AMPLITUDE CORRECTION | 431818 |