B. Diblasio et al., STRUCTURE OF THE TRIPEPTIDE AMIDE H-L-PRO-L-LEU-L-PRO-NH2, A DOPAMINE-RECEPTOR MODULATING AGENT, Acta crystallographica. Section C, Crystal structure communications, 50, 1994, pp. 250-252
The title compound, L-Prolyl-L-leucyl-L-prolinamide, C16H28N4O3, is fo
lded at the N-terminal L-Pro residue and semi-extended at the central
L-Leu and C-terminal L-Pro residues. The L-Leu side chain is in the co
mmon g- (t,g-) disposition.