CYSTEINE


Meaning of CYSTEINE in English

n.

Sulfur-containing nonessential amino acid .

In peptide s and protein s, the sulfur atoms of two cysteine molecules are bonded to each other to make cystine, another amino acid. The bonded sulfur atoms form a disulfide bridge, a principal factor in the shape and function of skeletal and connective tissue proteins and in the great stability of structural proteins such as keratin .

Britannica Concise Encyclopedia.      Краткая энциклопедия Британика.