7VQX

Cryo-EM structure of human vasoactive intestinal polypeptide receptor 2 (VIP2R) in complex with PACAP27 and Gs


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d4.414
f_angle_d0.539
f_chiral_restr0.042
f_bond_d0.004
f_plane_restr0.004
Sample
Cryo-EM structure of the human vasoactive intestinal polypeptide receptor 2 in commplex with PACAP27 and G protein
Sample Components
human vasoactive intestinal polypeptide receptor 2
Pituitary adenylate cyclase activating peptide-27
Guanine nucleotide-binding protein G(s) subunit alpha isoforms short
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
Nanobody-35
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification Instrument
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles602466
Reported Resolution (Å)2.74
Resolution MethodDIFFRACTION PATTERN/LAYERLINES
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 (6k x 4k)
Electron Dose (electrons/Å**2)80
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)1200
Maximum Defocus (nm)2200
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification
Calibrated Magnification
SourceOTHER
Acceleration Voltage (kV)300
Imaging Details
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION