Tags: Protein.
Trefoil (P-type) domain is a cysteine-rich domain of approximately forty five amino-acid residues has been found in some extracellular eukaryotic proteins. It is known as either the ‘P’ ‘trefoil’ or ‘TFF’ domain and contains six cysteines linked by three disulphide bonds with connectivity 1-5 2-4 3-6.
