A.1.6 RTOP1 (Unreadable)

Comments taken from the file itself:

     *   RESIDUE TOPOLOGY FILE USING EXTENDED ATOMS -- VERSION 1
     *   BRG TOPOLOGY FILE FOR PTI IS A SUBSET OF THIS FILE -- NO IMPROPER
     *   TORSIONS ARE INCLUDED -- LAST UPDATE 4/10/79 -- BDO AND SNS