7L1U

Orexin Receptor 2 (OX2R) in Complex with G Protein and Natural Peptide-Agonist Orexin B (OxB)


ELECTRON MICROSCOPY
Sample
Orexin Receptor 2 (OX2R) in Complex with G Protein and Natural Peptide-Agonist Orexin B (OxB)
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles800000
Reported Resolution (Å)3.2
Resolution MethodFSC 0.143 CUT-OFF
Other DetailsGold standard and masking effect correction
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1 (7L1V, 7L1V, 7L1V, 7L1V, 7L1V)
Refinement SpaceREAL
Refinement ProtocolAB INITIO MODEL
Refinement TargetCorrelation
Overall B Value131
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å**2)1.0625
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)800
Maximum Defocus (nm)1800
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification105000
Calibrated Magnification59524
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARC2.15
IMAGE ACQUISITIONLatitude3.32.2403
CTF CORRECTIONcryoSPARC2.15
MODEL FITTINGCoot0.8.9.2
INITIAL EULER ASSIGNMENTcryoSPARC2.15
FINAL EULER ASSIGNMENTcryoSPARC2.15
CLASSIFICATIONcryoSPARC2.15
RECONSTRUCTIONcryoSPARC2.15
MODEL REFINEMENTPHENIX1.15
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION14000000