164166-90-9Relevant articles and documents
Impact of azaproline on amide cis-trans isomerism: Conformational analyses and NMR studies of model peptides including TRH analogues
Zhang, Wei-Jun,Berglund, Anders,Kao, Jeff L.-F.,Couty, Jean-Pierre,Gershengorn, Marvin C.,Marshall, Garland R.
, p. 1221 - 1235 (2003)
The β-turn is a well-studied motif in both proteins and peptides. Four residues, making almost a complete 180°-turn in the direction of the peptide chain, define the β-turn. Several types of the β-turn are defined according to Φ and Ψ torsional angles of