[gmx-users] AZH (AZIDOHOMOALANINE) or C4 H8 N4 O2

[SebastianWaltz]

Dear Gromacs user,

I am searching for the GROMOS (best would ffG53a5) forcefield parameters
of the rather rarely used amino acid AZIDOHOMOALANINE (C4 H8 N4 O2). The
residue looks like:

http://www.chembase.com/cbid_147480.htm

Every suggestion is very welcome since it can avoid doing the
parametrization by my own saving me a lot of time.

Sincerely

Sebastian