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. 1992 Apr 1;89(7):2536–2540. doi: 10.1073/pnas.89.7.2536

A lattice model for protein structure prediction at low resolution.

D A Hinds 1, M Levitt 1
PMCID: PMC48696  PMID: 1557356

Abstract

The prediction of the folded structure of a protein from its sequence has proven to be a very difficult computational problem. We have developed an exceptionally simple representation of a polypeptide chain, with which we can enumerate all possible backbone conformations of small proteins. A protein is represented by a self-avoiding path of connected vertices on a tetrahedral lattice, with several amino acid residues assigned to each lattice vertex. For five small structurally dissimilar proteins, we find that we can separate native-like structures from the vast majority of non-native folds by using only simple structural and energetic criteria. This method demonstrates significant generality and predictive power without requiring foreknowledge of any native structural details.

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Selected References

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