6XZQ

Influenza C virus polymerase in complex with human ANP32A - Subclass 1

ELECTRON MICROSCOPY

Refinement

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	22.3053
f_angle_d	0.6379
f_chiral_restr	0.0408
f_plane_restr	0.0057
f_bond_d	0.0047

Sample
Influenza C virus polymerase in complex with human ANP32A
Sample Components
Influenza C virus polymerases
Human Acidic leucine-rich nuclear phosphoprotein 32 family member A (ANP32A)
Influenza viral RNA (vRNA) promoter 47mer

Specimen Preparation
Sample Aggregation State	PARTICLE
Vitrification Instrument	FEI VITROBOT MARK IV
Cryogen Name	ETHANE
Sample Vitrification Details

3D Reconstruction
Reconstruction Method	SINGLE PARTICLE
Number of Particles	85000
Reported Resolution (Å)	3.6
Resolution Method	FSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry Type	POINT
Point Symmetry	C1

Map-Model Fitting and Refinement
Id	1
Refinement Space	REAL
Refinement Protocol	RIGID BODY FIT
Refinement Target
Overall B Value
Fitting Procedure
Details	The structure has been determined by single particle cryo-EM. PDB ids 4XOS, 5D98, and 6RR7 were used as initial models after rigid body fitting in chi ...	The structure has been determined by single particle cryo-EM. PDB ids 4XOS, 5D98, and 6RR7 were used as initial models after rigid body fitting in chimera.

Data Acquisition
Detector Type	GATAN K3 (6k x 4k)
Electron Dose (electrons/Å**2)	32.1

Imaging Experiment	1
Date of Experiment
Temperature (Kelvin)
Microscope Model	FEI TITAN KRIOS
Minimum Defocus (nm)	2000
Maximum Defocus (nm)	3500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS	2.7
Imaging Mode	BRIGHT FIELD
Specimen Holder Model	FEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification	130000
Calibrated Magnification
Source	FIELD EMISSION GUN
Acceleration Voltage (kV)	300
Imaging Details

EM Software
Task	Software Package	Version
PARTICLE SELECTION	cryoSPARC	2.12
IMAGE ACQUISITION	SerialEM	3.7
CTF CORRECTION	cryoSPARC	2.12
INITIAL EULER ASSIGNMENT	cryoSPARC	2.12
FINAL EULER ASSIGNMENT	cryoSPARC	2.12
CLASSIFICATION	cryoSPARC	2.12
RECONSTRUCTION	cryoSPARC	2.12

Image Processing
CTF Correction Type	CTF Correction Details	Number of Particles Selected	Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION		2312045

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.