10JK | pdb_000010jk

Structure of Human Argonaute2-miR200b RISC bound to 30nt long target in complex with kinase CK1alpha


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d10.25
f_angle_d0.627
f_chiral_restr0.043
f_bond_d0.006
f_plane_restr0.004
Sample
Complex of human Argonaute2-miR200 RISC with 30nt target RNA and kinase
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentLEICA PLUNGER
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles487577
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 SpaceREAL
Refinement ProtocolRIGID BODY FIT
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å**2)61.2
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)600
Maximum Defocus (nm)2200
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification105000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONWarpv 1.0.9
IMAGE ACQUISITIONEPUv 2.10.0.5
CTF CORRECTIONWarpv 1.0.9
MODEL FITTINGUCSF ChimeraX
INITIAL EULER ASSIGNMENTcryoSPARCv3.258
FINAL EULER ASSIGNMENTcryoSPARCv3.258
CLASSIFICATIONcryoSPARCv3.258
RECONSTRUCTIONcryoSPARCv3.258
MODEL REFINEMENTPHENIX1.20_4459
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION1946967