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. 1999 Sep;8(9):1752–1764. doi: 10.1110/ps.8.9.1752

Predicting conformational switches in proteins.

M Young 1, K Kirshenbaum 1, K A Dill 1, S Highsmith 1
PMCID: PMC2144394  PMID: 10493576

Abstract

We describe a new computational technique to predict conformationally switching elements in proteins from their amino acid sequences. The method, called ASP (Ambivalent Structure Predictor), analyzes results from a secondary structure prediction algorithm to identify regions of conformational ambivalence. ASP identifies ambivalent regions in 16 test protein sequences for which function involves substantial backbone rearrangements. In the test set, all sites previously described as conformational switches are correctly predicted to be structurally ambivalent regions. No such regions are predicted in three negative control protein sequences. ASP may be useful as a guide for experimental studies on protein function and motion in the absence of detailed three-dimensional structural data.

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