From: Ian Stokes-Rees (ijstokes_at_hkl.hms.harvard.edu)
Date: Wed Jul 21 2010 - 12:20:56 CDT

 It wouldn't improve parsing speed, but it would probably help with file
handling and the ATOM index problem if the structure (which surely is
multiple independent chains or substructures) were split across multiple
PDB files.

Ian