9HB3 | pdb_00009hb3

cryo-EM structure of inactive human arginine-vasopressin (AVP) V2 receptor (V2R) with Mambaquaretin1 K39A (MQK39A)


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
in silico modelAlphaFold 

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d10.953
f_angle_d0.645
f_chiral_restr0.041
f_plane_restr0.005
f_bond_d0.004
Sample
Inactive V2R-bril bound to tolvaptan stabillized with anti-BRIL Fab and anti-BRIL Fab Nanobody
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentLEICA EM GP
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles202513
Reported Resolution (Å)2.5
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Map-Model Fitting and Refinement
Id1
Refinement SpaceREAL
Refinement ProtocolFLEXIBLE FIT
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 ModelTFS KRIOS
Minimum Defocus (nm)600
Maximum Defocus (nm)1800
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONTopaz
IMAGE ACQUISITIONEPU3.6
CTF CORRECTIONcryoSPARC4.5.1
MODEL FITTINGCoot
MODEL REFINEMENTRosetta
MODEL REFINEMENTPHENIX
INITIAL EULER ASSIGNMENTcryoSPARC4.5.1
FINAL EULER ASSIGNMENTcryoSPARC4.5.1
CLASSIFICATIONRELION4
RECONSTRUCTIONcryoSPARC4.5.1
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION