I-TASSER (Iterative Threading ASSEmbly Refinement) is a hierarchical method for protein structure and function prediction. Structural templates are first identified from the PDB by multiple threading approach LOMETS; full-length atomic models are constructed by iterative template fragment assembly simulations; function inslights of the target are finally derived by threading the 3D models through protein function database BioLiP. I-TASSER (as 'Zhang-Server') was ranked as the No 1 server for protein structure prediction in recent CASP7, CASP8, CASP9, CASP10, and CASP11 experiments. It was also ranked as the best for function prediction in CASP9. The server is in active development with the goal to provide the most accurate structural and function predictions using state-of-the-art algorithms. The server is only for non-commercial use. Please report problems and questions at I-TASSER message board and some members will study and answer the questions asap. (>> More about the server ...)
For commericial users or those who want to submit a large number of jobs, please go to DNAStar which implements I-TASSER through cloud computing.
Attention: The Zhang Lab server system will be turned off for maintainence from 2015/7/31-2015/8/8. No job can be submitted to I-TASSER server during this period of time.
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