> I have one final refined model of very high resolution
> structure. There is one residue (Gln) whose sidechain atoms NE2 and OE1
> should be switched in order to fulfill the neibouring atoms' hydrogen bond
> interaction. However X-PLOR always give me the negative result. Can
What do you mean by "negative result"?
Does X-plor push the side chain out of density?
Could it be that you need to re-run generate.inp after
switching NE2 and OE1 that X-PLOR can build appropriate
hydrogens for H-bond interactions?
Hope this helps,
Aaron