7OUH

Structure of the STLV intasome:B56 complex bound to the strand-transfer inhibitor bictegravir


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d18.371
f_angle_d0.516
f_chiral_restr0.038
f_plane_restr0.006
f_bond_d0.003
Sample
Complex of STLV-1 MarB43 integrase with nascent viral DNA, the human PP2A B56 subunit and the drug inhibitor bictegravir
Sample Components
Integrase
PC4 and SFRS1-interacting protein,Serine/threonine-protein phosphatase 2A 56 kDa regulatory subunit gamma isoform
DNA
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles39731
Reported Resolution (Å)3.5
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC2
Map-Model Fitting and Refinement
Id1 (6Z2Y)
Refinement SpaceREAL
Refinement ProtocolRIGID BODY FIT
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å**2)50
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)
Maximum Defocus (nm)
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONGautomatchv0.53
IMAGE ACQUISITIONEPU
CTF CORRECTIONGctf1.06
MODEL FITTINGUCSF Chimera1.12
MODEL REFINEMENTCoot0.8.9.2
MODEL REFINEMENTPHENIXdev-4142
INITIAL EULER ASSIGNMENTcryoSPARC
FINAL EULER ASSIGNMENTRELION3.1
CLASSIFICATIONRELION3.1
RECONSTRUCTIONRELION3.1
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION1714199