@article {9080,
	title = {Sequence preference of α-helix N-terminal tetrapeptide},
	journal = {Protein and Peptide Letters},
	year = {2012},
	pages = {345-352},
	doi = {10.2174/092986612799363118},
	url = {http://www.ncbi.nlm.nih.gov/pubmed/22409501},
	author = {Yifei Qi and Huanhuan Liang and Xinping Han and Luhua Lai}
}
