10JI | pdb_000010ji

Structure of Human Argonaute2-miR200b RISC bound to 14nt long target in complex with kinase CK1alpha


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d10.933
f_angle_d0.548
f_chiral_restr0.039
f_plane_restr0.004
f_bond_d0.002
Sample
Argonaute2-miR200 bound to 14 nt target RNA and Ck1alpha kinase
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentLEICA PLUNGER
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles314744
Reported Resolution (Å)3.7
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)76.65
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)600
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 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
RECONSTRUCTIONUCSF ChimeraX
MODEL REFINEMENTPHENIX1.20.1_4487
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION1338929