9T9P | pdb_00009t9p

Adenosine receptor A2a (A2AR)-beta-lactamase fusion bound to beta-lactamase inhibitory protein II (BLIPII) and ZM241385


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 6PS7 
experimental modelPDB 1JTD 
experimental modelPDB 

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d14.365
f_angle_d0.458
f_chiral_restr0.04
f_plane_restr0.007
f_bond_d0.002
Sample
A2AR-beta-lactamase fusion, BLIPII, ZM241385
Sample Components
A2AR-beta-lactamase fusion
beta-lactamase inhibitory protein II (BLIPII)
adenosine receptor A2a (A2AR)
beta-lactamase
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles597000
Reported Resolution (Å)3
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1 (6PS7, 1JTD)
Refinement SpaceREAL
Refinement ProtocolFLEXIBLE FIT
Refinement Targetcross-correlation coefficient
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 (6k x 4k)
Electron Dose (electrons/Å**2)49.71
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)1100
Maximum Defocus (nm)2300
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification105000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARC4.7.1
MODEL REFINEMENTPHENIX"2.0_5885"
CTF CORRECTIONcryoSPARC4.7.1
INITIAL EULER ASSIGNMENTcryoSPARC4.7.1
FINAL EULER ASSIGNMENTcryoSPARC4.7.1
CLASSIFICATIONcryoSPARC4.7.1
RECONSTRUCTIONcryoSPARC4.7.1
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION