Aspartic acid (asp)

Glutamic acid (glu)

Tyrosine (tyr)

Cysteine (cys)

Asparagine (asp)

Glutamine (glN)

Serine (ser)

Threonine (thr)

Histidine (his)

Lysine (lys)

Hydroxylysine (hyd)

Arginine (arg)

Tryptophan (try)

Glycine (gly)

Alanine (ala)

Phenylalanine (phe)

Valine (val)

Leucine (leu)

Isoleucine (ile)

Methionine (met)