[3dem] About over-estimation

[Jay Rai]

Dear Cryo EM folks,
I am just curious..
I focus refine each subunit of maps seperately. Then I used chimera's vop maximum to stich the map.
But when I refine that map to model, it is showing my resolution 2 angstrom.
I even take the unfiltered map from each subunits and stich and so the relion_preprocess and again same resolution.
I know it is because of the noise from each maps (which are outside the mask). I stick the maps from multi body refinement and it is ok so it must be the noise that makes the resolution higher.
Is there any way to calculate the resolution? Or in other words, is there any way to create the composite map?
Any help is greatly appreciated.


With kind regards,

Jay Rai​




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