αs1-casein-(91-100) is a benzodiazepine-like decapeptide derived from bovine alphaS1-casein(residues 91-100). It adopts a rigid structure in water/SDS micellar medium, but not in water or dimethylsulfoxide.
Lecouvey M, Frochot C, Miclo L, Orlewski P, Driou A, Linden G, Gaillard JL, Marraud M, Cung MT, Vanderesse R. Two-dimensional 1H-NMR and CD structural analysis in a micellar medium of a bovine alphaS1-casein fragment having benzodiazepine-like properties. Eur J Biochem. 1997 Sep 15;248(3):872-8. doi: 10.1111/j.1432-1033.1997.00872.x. PMID: 9342241.