Disulphide bonds play a critical role in stabilising the three‐dimensional structures of proteins and ensuring their correct function. Their precise mapping is essential not only for understanding ...
Carcinoembryonic antigen (CEA) has been shown to contain no free cysteine thiol groups but 6 cystine disulphide bonds. 5'5-Dithiobis-(2-nitrobenzoic acid) (DTNB) will react with CEA only after ...