Bromelain inhibitor VI is a double-chain inhibitor consisting of a 11-residue and a 41-residue chain. This protein is the 41-residue heavy chain which is joined to the 11-residue chain by disulphide bonds. The inhibitor acts to inhibit the cysteine proteinase bromelain.
Jiyao W et al.(2023). "The conserved domain database in 2023.",