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IST1-NTD and CHMP1B double-stranded helical filament
Sample Components
IST1
CHMP1B
Specimen Preparation
Sample Aggregation State
FILAMENT
Vitrification Instrument
FEI VITROBOT MARK III
Cryogen Name
ETHANE
Sample Vitrification Details
Deposited 3.5 uL sample, blotted 3-6 seconds (0 mm offset), and plunged into liquid ethane (VITROBOT MARK III).
3D Reconstruction
Reconstruction Method
HELICAL
Number of Particles
188713
Reported Resolution (Å)
4
Resolution Method
Other Details
Modified version of IHRSR algorithms as implemented in SPIDER was used to determine the helical symmetry. 3D reconstructions were performed using RELI ...
Modified version of IHRSR algorithms as implemented in SPIDER was used to determine the helical symmetry. 3D reconstructions were performed using RELION.
Refinement Type
Symmetry Type
HELICAL
Axial Symmetry
C1
Axial Rise
2.96
Angular Rotation
21.06
Map-Model Fitting and Refinement
Id
1 (3FRR)
Refinement Space
REAL
Refinement Protocol
Refinement Target
Molprobity validation, cross-correlation
Overall B Value
Fitting Procedure
Details
DETAILS--IST1 starting model (3FRR) was idealized in Rosetta, then relaxed
while the structure was constrained. Iterative loop building was used.