Hi Chuck, PyMOL assumes your residues identifiers will be non-negative. Bad assumption. PyMOL parses the string "-50" as the range "0-50". This should be filed as a bug on the open-source tracker.
In the meantime, you will have to adjust all the identifiers in order to select. If -73 is the lowest number in the sequence in chain J then you can add 73 to add indices like this, # adjust the indices alter chain J, resi=str(int(resi)+73) # update the sequence sort Now, just add 73 when you select: select c. J and i. 0 Cheers, -- Jason On Thu, Apr 5, 2012 at 7:57 AM, chuck <chlang...@ucdavis.edu> wrote: > > In the 147bp nucleosome structure pdb1kx5 the DNA is a palindrome and > numbering of the resi(dues) starts a the center bp (74), so -73 to +73. The > central bp is numbered 0. > > Can someone tell me the command syntax to set the colors of the bps before > the central bp, e.g., > > -50. > > commands such as "color red, (resi -50)" changes all the bp unto +50 (124). > > Cheers, > Chuck > > > > > > ------------------------------------------------------------------------------ > Better than sec? Nothing is better than sec when it comes to > monitoring Big Data applications. Try Boundary one-second > resolution app monitoring today. Free. > http://p.sf.net/sfu/Boundary-dev2dev > _______________________________________________ > PyMOL-users mailing list (PyMOL-users@lists.sourceforge.net) > Info Page: https://lists.sourceforge.net/lists/listinfo/pymol-users > Archives: http://www.mail-archive.com/pymol-users@lists.sourceforge.net -- Jason Vertrees, PhD PyMOL Product Manager Schrödinger, LLC (e) jason.vertr...@schrodinger.com (o) +1 (603) 374-7120 ------------------------------------------------------------------------------ Better than sec? Nothing is better than sec when it comes to monitoring Big Data applications. Try Boundary one-second resolution app monitoring today. Free. http://p.sf.net/sfu/Boundary-dev2dev _______________________________________________ PyMOL-users mailing list (PyMOL-users@lists.sourceforge.net) Info Page: https://lists.sourceforge.net/lists/listinfo/pymol-users Archives: http://www.mail-archive.com/pymol-users@lists.sourceforge.net