The Cyclopeptide spelled MADISON is made from a sequence of Methionine ( M ), Alanine ( A ), Aspartic acid ( D ), Isoleucine ( I ), Serine ( S ), Pyrrolysine ( O ), Asparagine ( N ), . Learn more about peptides and Amino Acids on Wikipedia! (https://en.wikipedia.org/wiki/Amino_acid). All our models are at the same scale.