6P18

Q21 transcription antitermination complex: loading complex


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 5IPL 
experimental modelPDB 4MEY 
experimental modelPDB 4YLN 

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d14.0881
f_angle_d0.7462
f_chiral_restr0.0499
f_plane_restr0.0057
f_bond_d0.0033
Sample
Q21-loading complex
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles150310
Reported Resolution (Å)3.5
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1 (5IPL, 5IPL, 5IPL, 5IPL, 5IPL, 4MEY, 4YLN, 4YLN, 4YLN)
Refinement SpaceREAL
Refinement ProtocolRIGID BODY FIT
Refinement Target0.143
Overall B Value50
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)1.4
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)
Maximum Defocus (nm)
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification22500
Calibrated Magnification47608
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONRELION3.0
IMAGE ACQUISITIONSerialEM
CTF CORRECTIONGctf1.06
MODEL FITTINGPHENIX1.14
INITIAL EULER ASSIGNMENTRELION3.0
FINAL EULER ASSIGNMENTRELION3.0
CLASSIFICATIONRELION3.0
RECONSTRUCTIONRELION3.0
MODEL REFINEMENTPHENIX1.14
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION1045380