maybe you could put your sequence into swiss model and see what happens(http://swissmodelexpassy.org), it'll take a few days for them to get a result to you, but you can download 'deep view' and see a three dimensional model which you can manipulate.
Another site you could use is PredictProtein.(http://www.predictprotein.org)
G'luck, all you have to do with either one is copy and paste, preferably with the sequences already converted into protein sequences (use something like 'generation' to convert it (http://compbio.ornl.gov/generation), again, it's pretty easy.
There are even programs that can determine specific elements of interest, depending on what you want to look for; yet the one through predictprotein uses quite a few different interfaces all at once...g'luck.