From: John Stone (
Date: Tue Oct 14 2008 - 11:43:43 CDT

  If you want to see just the atoms that have alternate locations,
you can use a selection like one of these:
  not altloc ""
  protein and (not altloc "")

The 'altloc ""' refers to the atoms that do not have an alternate
conformation identifier set.

  John Stone

On Mon, Oct 13, 2008 at 02:49:07PM -0700, Lan Hua wrote:
> I want to locate all the protein atoms with alternate locations for
> protein with pdbid 3d1p. The pdb file for this protein downloaded from pdb
> locations are not chosen. Is there a good day to choose all the protein
> atoms with different alternate locations?
> Thank you very much
> Lan

NIH Resource for Macromolecular Modeling and Bioinformatics
Beckman Institute for Advanced Science and Technology
University of Illinois, 405 N. Mathews Ave, Urbana, IL 61801
Email:                 Phone: 217-244-3349
  WWW:      Fax: 217-244-6078