7Z19

E. coli C-P lyase bound to a single PhnK ABC domain

ELECTRON MICROSCOPY

Sample
E. coli C-P lyase bound to a single PhnK ABC domain

Specimen Preparation
Sample Aggregation State	PARTICLE
Vitrification Instrument	LEICA EM GP
Cryogen Name	ETHANE
Sample Vitrification Details	Blotting for 6-9 seconds before plunging

3D Reconstruction
Reconstruction Method	SINGLE PARTICLE
Number of Particles	50323
Reported Resolution (Å)	2.57
Resolution Method	FSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry Type	POINT
Point Symmetry	C1

Map-Model Fitting and Refinement
Id	1 (4XB6)
Refinement Space	RECIPROCAL
Refinement Protocol
Refinement Target
Overall B Value	54.2
Fitting Procedure
Details

Data Acquisition
Detector Type	GATAN K3 (6k x 4k)
Electron Dose (electrons/Å**2)	52

Imaging Experiment	1
Date of Experiment
Temperature (Kelvin)
Microscope Model	FEI TITAN KRIOS
Minimum Defocus (nm)	700
Maximum Defocus (nm)	2000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS	2.7
Imaging Mode	BRIGHT FIELD
Specimen Holder Model
Nominal Magnification	135000
Calibrated Magnification
Source	FIELD EMISSION GUN
Acceleration Voltage (kV)	300
Imaging Details

EM Software
Task	Software Package	Version
PARTICLE SELECTION	RELION	3.0
IMAGE ACQUISITION	SerialEM
CTF CORRECTION	RELION	3.1
INITIAL EULER ASSIGNMENT	RELION	3.1
FINAL EULER ASSIGNMENT	cryoSPARC	3.1
CLASSIFICATION	cryoSPARC	3.1
RECONSTRUCTION	cryoSPARC	3.1
MODEL REFINEMENT	PHENIX

Image Processing
CTF Correction Type	CTF Correction Details	Number of Particles Selected	Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION		20000000	LoG picker from relion.py

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.