STh, also known as Escherichia coli heat-stable toxin, is a 19 amino acid polypeptide containing three disulfide bridges. It serves as an antigen of significance in the quest for a comprehensive enterotoxigenic Escherichia coli (ETEC) vaccine.
Stearated form of the peptide Ht-31. Inhibits the interaction between the RII subunits of cAMP-dependent PKA and A-kinase anchoring protein (AKAP) in cell extracts. Cell permeable.