9Q57 | pdb_00009q57

XZ440 integrase inhibitor bound to Wild-type HIV-1 intasome


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d20.585
f_angle_d0.551
f_chiral_restr0.041
f_plane_restr0.005
f_bond_d0.003
Sample
integrase strand transfer inhibitor XZ440 bound to HIV-1 wild-type intasome
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification Instrument
Cryogen NameETHANE
Sample Vitrification DetailsCryo-EM grids were prepared by freezing using a Vitrobot plunge freezer (Thermo Fisher Scientific) at 20C with 100% humidity
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles261868
Reported Resolution (Å)2.28
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC2
Map-Model Fitting and Refinement
Id1
Refinement SpaceREAL
Refinement ProtocolFLEXIBLE FIT
Refinement Targetcorrelation coefficient
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 (6k x 4k)
Electron Dose (electrons/Å**2)58
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)600
Maximum Defocus (nm)2200
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 SELECTIONRELION5.0
IMAGE ACQUISITIONSerialEM
CTF CORRECTIONRELION5.0
MODEL FITTINGCoot
MODEL FITTINGUCSF Chimera
MODEL REFINEMENTPHENIX1.20.1_4487
INITIAL EULER ASSIGNMENTRELION5.0
FINAL EULER ASSIGNMENTRELION5.0
CLASSIFICATIONRELION5.0
RECONSTRUCTIONRELION5.0
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION