SHIFTOR is a program for predicting φ, ψ, χ
, and ω torsion angles in proteins from
H chemical shifts and sequential homology. For a
test set of 31 proteins
, SHIFTOR 30
-accuracy of predicting φ and ψ is close to 90%. The average χ
accuracy is 81% while the ω accuracy is 99.98% for trans peptide bond identification and 93% for cis peptide bond identification. Overall, the program is 100X faster and its predictions are approximately 30% better than existing methods. You can find additional information about SHIFTOR protocol on
SHIFTOR Help webpage.
Neal S, Berjanskii M, Zhang H, Wishart DS. Accurate prediction of protein torsion angles using chemical shifts and sequence homology. Magn Reson Chem. 2006 Jul;44 Spec No:S158-67.
Use our new
(1) get better shift-based predictions
(2) predict torsion angles from a sequence
(3) re-reference chemical shifts
(4) obtain results of subprograms (RCI, REFCOR and BLAST)
(5) generate XPLOR/CNS restraints
Select the format of input file:
Upload file with chemical shifts here:
Paste chemical shifts into the text box below.
IMPORTANT: If a file is selected for upload above, it will be used and content of the text box below will be ignored.
Have a problem with SHIFTOR or a suggestion? Contact
Canadian Bioinformatics Help Desk
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