7LBG

CryoEM structure of the HCMV Trimer gHgLgO in complex with human Transforming growth factor beta receptor type 3 and neutralizing fabs 13H11 and MSL-109

ELECTRON MICROSCOPY

Sample
HCMV Trimer gHgLgO bound to human receptor TGFbR3 and neutralizing fabs 13H11 and MSL-109
Sample Components
HCMV Trimer gHgLgO
neutralizing fabs 13H11 and MSL-109

Specimen Preparation
Sample Aggregation State	2D ARRAY
Vitrification Instrument	LEICA EM GP
Cryogen Name	ETHANE
Sample Vitrification Details	blot for 3.5 seconds before plunging

3D Reconstruction
Reconstruction Method	SINGLE PARTICLE
Number of Particles	2737199
Reported Resolution (Å)	2.6
Resolution Method	FSC 0.143 CUT-OFF
Other Details	Used a score threshold of 0.25 for final 3D reconstruction. Map used for model refinements is a composite map after combining 2 focussed maps with PHE ...	Used a score threshold of 0.25 for final 3D reconstruction. Map used for model refinements is a composite map after combining 2 focussed maps with PHENIX
Refinement Type
Symmetry Type	POINT
Point Symmetry	C1

Map-Model Fitting and Refinement
Id	1
Refinement Space	REAL
Refinement Protocol	AB INITIO MODEL
Refinement Target
Overall B Value
Fitting Procedure
Details

Data Acquisition
Detector Type	GATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)	50

Imaging Experiment	1
Date of Experiment
Temperature (Kelvin)
Microscope Model	FEI TITAN KRIOS
Minimum Defocus (nm)
Maximum Defocus (nm)
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging Mode	BRIGHT FIELD
Specimen Holder Model	FEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification	165000
Calibrated Magnification
Source	FIELD EMISSION GUN
Acceleration Voltage (kV)	300
Imaging Details

EM Software
Task	Software Package	Version
PARTICLE SELECTION	Gautomatch	0.56
IMAGE ACQUISITION	SerialEM	3.7.11
CTF CORRECTION	CTFFIND
MODEL FITTING	UCSF Chimera	1.13.1
MODEL FITTING	Coot	0.8.9
MODEL REFINEMENT	PHENIX	1.19
MODEL REFINEMENT	ISOLDE	1.1.0
INITIAL EULER ASSIGNMENT	cisTEM	1.02
FINAL EULER ASSIGNMENT	cisTEM	1.02
CLASSIFICATION	RELION	3.1
RECONSTRUCTION	cisTEM	1.02

Image Processing
CTF Correction Type	CTF Correction Details	Number of Particles Selected	Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION		2780519

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.