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H Bond between GLU OE1 and ASP OD2

Dear users,

In a model I got with MODELLER, there is a potential hydrogen bond
between oxygens of a glutamate and an aspartate (or the respective acids).
However there is supposedly an important electrostatic repulsion.

In the template the aspartate is replaced by a glycine. There is room 
for several of the glutamate conformers. Is it normal that MODELLER 
made the choice to keep the original conformer of the glutamate even 
with the unfavourable electrostatic environment?

Regards,

--
Dr Nicolas Le Novère                    http://www-alt.pasteur.fr/~lenov
Dpt of Zoology, Univ of Cambridge, Downing street, Cambridge CB2 3EJ, UK
tel: +44 1223 336623  fax: +44 1223 336676   e-mail: