6VXZ

SthK P300A cyclic nucleotide-gated potassium channel in the closed state, in complex with cAMP


ELECTRON MICROSCOPY
Sample
SthK P300A bound to cAMP
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles61275
Reported Resolution (Å)3.42
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC4
Map-Model Fitting and Refinement
Id1
Refinement SpaceREAL
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K2 QUANTUM (4k x 4k)
Electron Dose (electrons/Å**2)71
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)1000
Maximum Defocus (nm)2200
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS0.001
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification105000
Calibrated Magnification45620
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
IMAGE ACQUISITIONLeginon
CTF CORRECTIONCTFFIND4
INITIAL EULER ASSIGNMENTRELION3.0-beta
FINAL EULER ASSIGNMENTRELION3.0-beta
RECONSTRUCTIONRELION3.0-beta
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION657943