9ZQ7 | pdb_00009zq7

Autoinhibited P-Rex2


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
in silico modelAlphaFold 

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d8.979
f_angle_d0.374
f_chiral_restr0.037
f_plane_restr0.003
f_bond_d0.002
Sample
Phosphatidylinositol 3,4,5-trisphosphate-dependent Rac exchanger 2 (P-Rex2)
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification Instrument
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles215042
Reported Resolution (Å)5.2
Resolution MethodFSC 0.143 CUT-OFF
Other DetailsAverage FSC of focused refinement maps
Refinement Type
Symmetry TypePOINT
Map-Model Fitting and Refinement
Id1
Refinement Space
Refinement ProtocolRIGID BODY FIT
Refinement Target
Overall B Value
Fitting Procedure
DetailsAlphaFold server used to generate individual initial models of the core and N-terminal module which were rigid body fit to the composite map and furth ...AlphaFold server used to generate individual initial models of the core and N-terminal module which were rigid body fit to the composite map and further refined in Coot.
Data Acquisition
Detector TypeTFS FALCON 4i (4k x 4k)
Electron Dose (electrons/Å**2)50
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)700
Maximum Defocus (nm)2200
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 SELECTIONWarp
MODEL FITTINGCoot
MODEL FITTINGUCSF ChimeraX
RECONSTRUCTIONPHENIX
MODEL REFINEMENTPHENIX
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION43220002184088 particles from tilted micrographs and 2137912 particles from untilted micrographs