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Structure of a GRP94 folding intermediate engaged with a CCDC134- and FKBP11-bound secretory translocon
ELECTRON MICROSCOPY
Sample
Nascent GRP94 folding intermediate bound to a ribosome-translocon complex
Specimen Preparation
Sample Aggregation State
PARTICLE
Vitrification Instrument
FEI VITROBOT MARK IV
Cryogen Name
ETHANE
Sample Vitrification Details
Three microliters of affinity-purified RTCs were applied to the grid, incubated for 60 seconds, blotted for 7 seconds, drained for 0.5 seconds, and fr ...
Three microliters of affinity-purified RTCs were applied to the grid, incubated for 60 seconds, blotted for 7 seconds, drained for 0.5 seconds, and frozen in liquid nitrogen-cooled ethane.
3D Reconstruction
Reconstruction Method
SINGLE PARTICLE
Number of Particles
55750
Reported Resolution (Å)
4.1
Resolution Method
FSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry Type
POINT
Map-Model Fitting and Refinement
Id
1
Refinement Space
REAL
Refinement Protocol
FLEXIBLE FIT
Refinement Target
Overall B Value
Fitting Procedure
Details
Tightly restrained real-space refinement in Coot and Phenix