Which of the following is a modified amino acid?
Two molecules of cysteine make cysteine (cys-cys) or dithio b, b-a amino propionic acid. The SS linkage is called as disulfide bridge. Ref: Textbook of medical biochemistry, MN Chatterji, 8th edition, page no: 78
Arginine
Cysteine
Asparagine
Threonine
Structure and function of protein