The question about superposition
and RMSDs can be handled with the program molmol
ftp://ftp.mol.biol.ethz.ch/pub/software/MOLMOL
Brian Hingerty
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Brian E. Hingerty
Life Sciences Division
Oak Ridge National Laboratory
1060 Commerce Park, Room 243
P.O. Box 2008, MS-6480
Oak Ridge, TN 37831-6480
tel: 423-574-0844
fax: 423-574-0004
e-mail: beh at ornl.gov
private e-mail: behingerty at worldnet.att.net