Type II heat-labile enterotoxin, B subunit (LT-IIB)
Family of B subunits from the type II heat-labile enterotoxin. The B subunits form a pentameric ring, which interacts with one A subunit. Thus, the structural arrangement of type I and type II heat-labile enterotoxins are very similar.
Jiyao W et al.(2023). "The conserved domain database in 2023.",