9EPP | pdb_00009epp

Cryo-EM Structure of Jumping Spider Rhodopsin-1 bound to a Giq heterotrimer


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d4.456
f_angle_d1.313
f_chiral_restr0.045
f_bond_d0.014
f_plane_restr0.004
Sample
Ternary complex of Jumping Spider Rhodopsin-1 with a chimeric Giq heterotrimer
Sample Components
Jumping Spider Rhodopsin-1
Human Gi/Jumping Spider Gq Chimera
Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles159665
Reported Resolution (Å)4.06
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Map-Model Fitting and Refinement
Id1
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)70
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)1000
Maximum Defocus (nm)2400
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification165000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION