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Streptomyces griseus Family 2B encapsulin shell with 2-methylisoborneol synthase cargo
ELECTRON MICROSCOPY
Starting Model(s)
Initial Refinement Model(s)
Type
Source
Accession Code
Details
in silico model
AlphaFold
Q54255
Sample
Streptomyces griseus Family 2B encapsulin shell with 2-methylisoborneol synthase cargo
Sample Components
2-Methylisoborneol synthase cargo protein
Specimen Preparation
Sample Aggregation State
PARTICLE
Vitrification Instrument
FEI VITROBOT MARK IV
Cryogen Name
ETHANE
Sample Vitrification Details
Blot force: 20
Blot time: 4 seconds
3D Reconstruction
Reconstruction Method
SINGLE PARTICLE
Number of Particles
51173
Reported Resolution (Å)
3.02
Resolution Method
FSC 0.143 CUT-OFF
Other Details
Homogeneous refinement was performed against an ab-initio reconstruction map with I symmetry imposed, per particle defocus optimization, per-group CTF ...
Homogeneous refinement was performed against an ab-initio reconstruction map with I symmetry imposed, per particle defocus optimization, per-group CTF parameterization, and Ewald sphere correction enabled with a positive curvature sign.
Refinement Type
Symmetry Type
POINT
Point Symmetry
I
Map-Model Fitting and Refinement
Id
1
Refinement Space
REAL
Refinement Protocol
FLEXIBLE FIT
Refinement Target
cross-correlation coefficient
Overall B Value
115.8
Fitting Procedure
Details
An AlphaFold-generated model was fit into the map using ChimeraX v1.5. The model was then refined iteratively by alternating rounds of manual refineme ...
An AlphaFold-generated model was fit into the map using ChimeraX v1.5. The model was then refined iteratively by alternating rounds of manual refinement in Coot v8.9.1 and real-space refinements using PHENIX v1.20.1-4487.