Title : Disfavoring macrocycle b fragments by constraining torsional freedom: the "twisted" case of QWFGLM b6.

Pub. Date : 2012 Mar

PMID : 22219043






1 Functional Relationships(s)
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1 While recent studies have shown that for some peptides, such as oligoglycines and Leu-enkephalin, mid-sized b fragment ions exist as a mixture of oxazolone and macrocycle structures, other primary structure motifs, such as QWFGLM, are shown to exclusively give rise to macrocycle structures. Oxazolone prodynorphin Homo sapiens