@article {Shao:2003:0929-8665:277, title = "A Simple Parameter Relating Sequences with Folding Rates of Small Helical Proteins", journal = "Protein and Peptide Letters", parent_itemid = "infobike://ben/ppl", publishercode ="ben", year = "2003", volume = "10", number = "3", publication date ="2003-06-01T00:00:00", pages = "277-280", itemtype = "ARTICLE", issn = "0929-8665", url = "https://www.ingentaconnect.com/content/ben/ppl/2003/00000010/00000003/art00006", doi = "doi:10.2174/0929866033478906", keyword = "two-state helical proteins, helical proteins, non-polar residues, helix parameter", author = "Shao, H. and Peng, Y. and Zeng, Z-H.", abstract = "It is found that the helix parameter (HP), which favors clustering of non-polar residues, is linearly correlated with the logarithms of rate constants of folding of small two-state -helical proteins. The definition is HP = NH-1 [fi+ (fi-1+fi+1) / 2], where fi=1 or -1, if the i'th residue is hydrophobic or hydrophilic, respectively, NH is the number of hydrophobic residues and the summation is taken over the hydrophobic residues.", }