V. Bobde et al., STABLE TYPE-II REVERSE TURN - 3(10) HELIX CONFORMATION OF BOC-D-GLU-ALA-GLY-LYS-ALA-LEU-OME IN APOLAR SOLVENTS, Tetrahedron, 49(24), 1993, pp. 5397-5406
The solution conformation of the title compound, based on one and two
dimensional NMR techniques in CDCl3 and (CD3)2SO at 500 MHz, has been
deduced as a 310 helix initiated by an electrostatically locked type I
I' reverse turn.