4BKK

The Respiratory Syncytial Virus nucleoprotein-RNA complex forms a left-handed helical nucleocapsid.

ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2WJ8

Sample
PURIFIED RECOMBINANT RSV NUCLEOCAPSIDS.

Specimen Preparation
Sample Aggregation State	FILAMENT
Staining Type	NEGATIVE
Staining Material	Ammonium Molybdate
Staining Details

3D Reconstruction
Reconstruction Method	TOMOGRAPHY
Number of Particles	911
Reported Resolution (Å)
Resolution Method
Other Details	SUBTOMOGRAM AVERAGING. NOTE THE COORDINATES ARE BASED ON MODELLING. SUBMISSION BASED ON EXPERIMENTAL DATA FROM EMDB EMD-2369. (DEPOSITION ID: 11640).
Refinement Type
Symmetry Type	HELICAL

Map-Model Fitting and Refinement
Id	1 (2WJ8)
Refinement Space
Refinement Protocol	OTHER
Refinement Target
Overall B Value
Fitting Procedure
Details	METHOD--MODELLING REFINEMENT PROTOCOL--MODEL

Data Acquisition
Detector Type	GATAN ULTRASCAN 4000 (4k x 4k)
Electron Dose (electrons/Å**2)	131

Imaging Experiment	1
Date of Experiment	2010-07-15
Temperature (Kelvin)
Microscope Model	JEOL 2200FSC
Minimum Defocus (nm)	2000
Maximum Defocus (nm)	4000
Minimum Tilt Angle (degrees)	-60
Maximum Tilt Angle (degrees)	60
Nominal CS	2
Imaging Mode	BRIGHT FIELD
Specimen Holder Model
Nominal Magnification	40000
Calibrated Magnification
Source	FIELD EMISSION GUN
Acceleration Voltage (kV)	200
Imaging Details	ROOM TEMPERATURE STAINED GRIDS IMAGED AT LN2 TEMPERATURES.

EM Software
Task	Software Package	Version
RECONSTRUCTION	Dynamo
RECONSTRUCTION	eTomo

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 R01GM157729.