Subject: MD package for arbitary model and force field?

From: mike smith <[email-masked]>
Date: Fri, 22 Jun 2001 20:48:14 -0700 (PDT)

Dear listers,

I am looking for some kind of general MD package,
which
can be used for ARBITARY model and force field. 

Here, "ARBITARY" means: 

(1)The atom can be both normal (H, C,O...), and pseudo
ones ("CH2", "CH3", or a whole residue as a single
site) ===> The user can change the properties of the
"atom", including mass, charge, symbol(say X1, X2 can
be legal symbols for atoms).

(2)The initial configuration can be easily set-up
with some kind of freedom.

(3)potential functions and force field (force
constant, and equilibrium r/theta) can also be
modified by the users.

Also, normal MD methods will be included, such as
minization/equilibration, molecular dynamics or
Browian
dynamics, normal mode analysis, animation, and so on.

Any useful info will be appreciated.

-Mike

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