id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ddj-47	Pitkanen, Matti	A Model for Protein Folding and Biocatalysis	2013	31	.pdf	application/pdf	20902	1096	64	Note that the O = atom of the amino-acid is in a special role in that it can have hydrogen bond flux tubes to donors and flux tube connections with O =:s of other amino-acids, the residues of amino-acids containing acceptors (say O = or aromatic ring), and with the aromatic rings of say ATP. 4. If one identifies hydrogen bond with flux tube (Y (n) = Z(n + k))	cache/ddj-47.pdf	txt/ddj-47.txt