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structure prediction of a Protein with disulfide bond? - (Jan/26/2014 )

Hello,
I am writing to ask you some questions regarding I-TASSER protein modeling server. I have designed a protein sequence which consists of a iRGD motif. As the related papers indicate this motif has two Cys that form disulfide bond to make  the motif circular. After protein 3D structure prediction by I-TASSER server, the predicted protein model did not show this disulfide bond. I would like to know if generally the server is able to predict the disulfide bonds. If not, is there any protein structure prediction server which can predict the difulfide bonds?
Thanks

-Mariam-

http://clavius.bc.edu/~clotelab/DiANNA/

-Inbox-

this page in expasy may contain software that you can use:

 

http://www.expasy.org/structural_bioinformatics

 

or this page:

 

http://www.expasy.org/proteomics/protein_structure

-mdfenko-

Thanks a lot. It is exactly what I was searching for. 

-Mariam-

this page in expasy may contain software that you can use:

 

http://www.expasy.org/structural_bioinformatics

 

or this page:

 

http://www.expasy.org/proteomics/protein_structure

Thanks a lot for introducing useful links

-Mariam-