lysine
Lysine
124956-66-7L-Lysine,L-seryl-L-lysyl-L-seryl-L-seryl-L-seryl-L-prolyl-L-cysteinyl-L-phenylalanylglycylglycyl-L-lysyl-L-leucyl-L-a-aspartyl-L-arginyl-L-isoleucylglycyl-L-seryl-L-tyrosyl-L-serylglycyl-L-leucylglycyl-L-cysteinyl-L-asparaginyl-L-seryl-L-arginyl-,cyclic (