8TKD

Human Type 3 IP3 Receptor - Preactivated State (+IP3/ATP)


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d3.1277
f_angle_d0.4529
f_chiral_restr0.0342
f_plane_restr0.0034
f_bond_d0.0019
Sample
Human Type 3 IP3 Receptor
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification DetailsCustom-made calcium free blotting paper (see publication for details).
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles186210
Reported Resolution (Å)3.7
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC4
Map-Model Fitting and Refinement
Id1
Refinement SpaceRECIPROCAL
Refinement ProtocolAB INITIO MODEL
Refinement TargetMap to Model FSC
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 (6k x 4k)
Electron Dose (electrons/Å**2)66
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 Magnification29000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
IMAGE ACQUISITIONSerialEM
MODEL REFINEMENTPHENIXdev_4761:
RECONSTRUCTIONcryoSPARC
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION