Hi Michael,

This is unexpected. Some quick questions:

- Does the state indicator in the bottom right corner also max out, or does it 
show all models?

- Does the "rebuild" command eventually show the partial/missing models?

- Does "set defer_builds_mode, 3" make a difference?
https://pymolwiki.org/index.php/Defer_builds_mode

Thanks,
  Thomas

> On Jun 6, 2017, at 4:26 PM, R. Michael Garavito <rmgarav...@gmail.com> wrote:
> 
> We’ve been having some problems with Mac PyMol when dealing with PDB files 
> with 50+ models output from ensemble refinement.   The pdb files are large 
> (up to 200 MB) and can contain up to 100 models.   My iMac (OS 10.10.5, 4 GHz 
> Intel Core i7, 32 GB ram, AMD Radeon R9 M290X 2048 MB) works fine with these 
> large files. 
> 
> However, some of our older Macs (e.g., Mac Pro with 24 GB ram and a quite 
> reasonable graphics board) fail to load in all the models, maxing out at 51 
> models/frames regardless of the number of models/frames in the PDB.  We have 
> seen this on 3 different Macs.  Frame 52 also shows a partial load:  subunit 
> A looks fine, but subunitB has only a portion of the polypeptide loaded.  
> This problems occurs even with PyMol 1.8.6.0 on these Macs.  As we need to 
> run scripts to calculate rms fluctuations and to make some figures, we need 
> to look at all the models.  Any ideas?  Has anyone seen this before?
> 
> We are currently testing to see whether this occurs on linux machines.
> 
> Thanks,
> 
> Michael
> 
> ****************************************************************
> R. Michael Garavito, Ph.D.
> Professor of Biochemistry & Molecular Biology
> 603 Wilson Rd., Rm. 513   
> Michigan State University      
> East Lansing, MI 48824-1319
> Office:  (517) 355-9724     Lab:  (517) 353-9125
> FAX:  (517) 353-9334        Email:  rmgarav...@gmail.com
> ****************************************************************

--
Thomas Holder
PyMOL Principal Developer
Schrödinger, Inc.


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