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RNA polymerase II VP16-Mediator-pol II-TFIIF assembly
Sample Components
core Mediator
RNA polymerase II
TFIIF
Specimen Preparation
Sample Aggregation State
PARTICLE
Vitrification Instrument
Cryogen Name
ETHANE
Sample Vitrification Details
Staining Type
NEGATIVE
Staining Material
ammonium molybdate
Staining Details
grids with adsorbed protein washed 3x with buffer containing 5% trehalose, 20 mM HEPES, 100 mM KCl, and 0.10 mM EDTA, then subjected to cryo-negative ...
grids with adsorbed protein washed 3x with buffer containing 5% trehalose, 20 mM HEPES, 100 mM KCl, and 0.10 mM EDTA, then subjected to cryo-negative staining in a saturated solution (1.2M) of ammonium molybdate (pH 7.5)
3D Reconstruction
Reconstruction Method
SINGLE PARTICLE
Number of Particles
3146
Reported Resolution (Å)
36
Resolution Method
FSC 0.5 CUT-OFF
Other Details
The particles were selected interactively.
Refinement Type
Symmetry Type
POINT
Point Symmetry
C1
Map-Model Fitting and Refinement
Id
1 (1Y1V)
Refinement Space
REAL
Refinement Protocol
RIGID BODY FIT
Refinement Target
contour-based Laplacian correlation
Overall B Value
Fitting Procedure
Details
REFINEMENT PROTOCOL--rigid body DETAILS--the TFIIS chain S was removed before
fitting