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 3J1F | pdb_00003j1f

Cryo-EM structure of 9-fold symmetric rATcpn-beta in ATP-binding state


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3KO1 
Sample
9-fold symmetric rATcpn-beta in ATP-binding state
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification DetailsBlot for 4 seconds before plunging into liquid ethane (FEI Vitrobot Mark IV).
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles28374
Reported Resolution (Å)6.2
Resolution Method
Other DetailsSpider, EMAN1.9
Refinement Type
Symmetry TypePOINT
Point SymmetryC9
Map-Model Fitting and Refinement
Id1 (3KO1)
Refinement SpaceREAL
Refinement ProtocolFLEXIBLE FIT
Refinement Target
Overall B Value
Fitting Procedure
DetailsMETHOD--symmetry-restrained MDFF REFINEMENT PROTOCOL--Rigid body and Molecular Dynamics Flexible Fitting
Data Acquisition
Detector TypeGATAN ULTRASCAN 4000 (4k x 4k)
Electron Dose (electrons/Å**2)20
Imaging Experiment1
Date of Experiment2010-12-28
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)1500
Maximum Defocus (nm)3500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification96000
Calibrated Magnification96000
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
MODEL FITTINGUCSF Chimera
RECONSTRUCTIONEMAN1.9
RECONSTRUCTIONSPIDER
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
The whole micrograph