8RC1

MAP7 MTBD (microtubule binding domain) decorated microtubule protofilament


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d10.836
f_angle_d0.445
f_chiral_restr0.04
f_bond_d0.003
f_plane_restr0.003
Sample
Complex of MAP7 MTBD (microtubule binding domain) with 14pf microtubule
Specimen Preparation
Sample Aggregation StateFILAMENT
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification DetailsMicrotubules stabilised by MAP7 MTBD were applied to a glow discharged grid, incubated for 30 seconds at room temperature following which excess sampl ...Microtubules stabilised by MAP7 MTBD were applied to a glow discharged grid, incubated for 30 seconds at room temperature following which excess sample was wicked off and MAP7 MTBD was immediately added to the grid. After incubation for 60 seconds in a Vitrobot, excess liquid was blotted off and the grid was plunge frozen in liquid ethane.
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles39266
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 Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å**2)49.33
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)600
Maximum Defocus (nm)2400
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification81000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONRELION3.1
IMAGE ACQUISITIONEPU
CTF CORRECTIONCTFFIND4.1
MODEL FITTINGCoot0.9.8.1
MODEL FITTINGISOLDE
RECONSTRUCTIONRELION3.1
MODEL REFINEMENTPHENIX1.20.1
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION186522