AMBER: 31 integers in the first section of a prmtop file

From: David Cerutti <>
Date: Wed, 3 Oct 2007 09:58:03 -0700 (PDT)

I'm finding the file format key at

very useful as I try to parse a prmtop file, but I don't know what to make
of things when I find not 30 integers in the first field (where the number
of atoms, number of atom types, number of bond types, etc. are found) but
instead 31. What's the final integer in that case?


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Received on Sun Oct 07 2007 - 06:07:10 PDT
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