8ZBJ | pdb_00008zbj

Cryo-EM structure of Somatostatin receptor 5 (SSTR5) with Gi1 complex


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 7WJ5 

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d4.277
f_angle_d0.671
f_chiral_restr0.043
f_plane_restr0.005
f_bond_d0.003
Sample
Cryo-EM structure of Human Somatostatin 5 receptor-Gialpha1 complex
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles247223
Reported Resolution (Å)2.94
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1 (7WJ5, 7WJ5, 7WJ5, 7WJ5)
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å**2)67.7
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)700
Maximum Defocus (nm)1700
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification130000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARCv3.3.2
MODEL FITTINGCoot0.9.5
INITIAL EULER ASSIGNMENTcryoSPARC3.3.2
FINAL EULER ASSIGNMENTcryoSPARC3.3.2
MODEL REFINEMENTPHENIX1.19.2
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
NONE4656722