Hello, As Elaine said, you cannot "convert" between the two formats because they represent different things (a volume, atomic coordinates). But you can generate a volume from atomic coordinates with the molmap command (think of it as producing a synthetic density map of the molecule): https://www.cgl.ucsf.edu/chimerax/docs/user/commands/molmap.html <https://www.cgl.ucsf.edu/chimerax/docs/user/commands/molmap.html> The inverse task of building an atomic model from a volume and a sequence, in an automated way, is still an open problem. But research on this problem is making fast progress these days, see for instance https://github.com/3dem/model-angelo <https://github.com/3dem/model-angelo> Cheers, Guillaume
On 5 Oct 2022, at 17:37, Elaine Meng via ChimeraX-users <chimerax-users@cgl.ucsf.edu> wrote:
Hi Tianming, No -- they are different kinds of data. MRC is a density-map format, PDB is an atomic structure format. Best, Elaine ----- Elaine C. Meng, Ph.D. UCSF Chimera(X) team Department of Pharmaceutical Chemistry University of California, San Francisco
On Oct 5, 2022, at 6:54 AM, Tianming Qu via ChimeraX-users <chimerax-users@cgl.ucsf.edu> wrote:
Hi, is there any way I can convert a .mrc file to .pdb file in chimera?
Best, Tianming
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