threonyl,leucine
Leucine
65002-14-4b-Melanotropin (Squalusacanthias), 3-L-isoleucine-7-L-methionine-13-glycine-14-L-alanine-16-L-methionine-16a-L-asparticacid-16b-L-lysine-
821017-36-1L-Leucine,L-arginylglycyl-L-lysyl-L-valyl-L-arginyl-L-phenylalanyl-L-leucyl-L-methionyl-L-leucyl-L-valylglycylglycyl-L-seryl-L-threonyl-