9C29 | pdb_00009c29

Hexadecamer of NL4-3 WT HIV-1 intasome


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1ITG 
experimental modelPDB 1IHV 
experimental modelPDB 1WJA 
experimental modelPDB 3HPH 
Sample
crosslinked wild-type NL4-3 HIV-1 Intasome
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentHOMEMADE PLUNGER
Cryogen NameETHANE
Sample Vitrification DetailsCryo-EM grids were prepared by freezing using a manual plunger in cold room at 4C
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles22780
Reported Resolution (Å)8
Resolution MethodOTHER
Other Details3D FSC server is used to compute map-model resolution at the threshold of 0.5. This reported resolution is not the map resolution because it is a comp ...3D FSC server is used to compute map-model resolution at the threshold of 0.5. This reported resolution is not the map resolution because it is a composite map that does not have two half maps.
Refinement Type
Symmetry TypePOINT
Point SymmetryC2
Map-Model Fitting and Refinement
Id1 (6PUT, 1IHV, 1K6Y, 7Z1Z, 1EX4)
Refinement SpaceREAL
Refinement ProtocolRIGID BODY FIT
Refinement TargetCorrelation coefficient
Overall B Value
Fitting Procedure
DetailsDomains of HIV-1 IN were rigid-body docked into cryo-EM density without any further refinement or adjustment of the coordinates. This rigid-body docke ...Domains of HIV-1 IN were rigid-body docked into cryo-EM density without any further refinement or adjustment of the coordinates. This rigid-body docked model was then truncated to poly-Alanine and deposited here.
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)60
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)800
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 Magnification29000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
IMAGE ACQUISITIONLeginon
CTF CORRECTIONcryoSPARC4.2
MODEL FITTINGUCSF Chimera
INITIAL EULER ASSIGNMENTcryoSPARC4.2
FINAL EULER ASSIGNMENTcryoSPARC4.2
RECONSTRUCTIONcryoSPARC4.2
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION