7SPA

Chlorella virus Hyaluronan Synthase in the GlcNAc-primed, channel-open state


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d4.1432
f_angle_d0.3927
f_chiral_restr0.0381
f_plane_restr0.0024
f_bond_d0.0014
Sample
Hyaluronan synthase in nanodiscs in complex with two camelid nanobodies.
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles104995
Reported Resolution (Å)2.8
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å**2)51
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)1000
Maximum Defocus (nm)2000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification81000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARC3.1
IMAGE ACQUISITIONEPU2.5.0.4799REL
CTF CORRECTIONCTFFIND4.1.14
INITIAL EULER ASSIGNMENTcryoSPARC3.1
FINAL EULER ASSIGNMENTcryoSPARC3.1
CLASSIFICATIONcryoSPARC3.1
RECONSTRUCTIONcryoSPARC3.1
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION4391341