Cyclic tetrapeptide of structure cyclo(D-Pro-L-Ala-D-Ala-L-Aeo), where Aeo stands for 2-amino-9,10-epoxi-8-oxodecanoic acid. HC toxin is a potent, cell-permeable in
Helvolic acid (Fumigacin). A naturally occurring steroidal antibiotic from Aspergillus and related fungi. Helvolic acid is a mycotoxin with antibacterial activity.
HT2 Toxin is a trichothecene group mycotoxin; naturally found in spoiled foods.
Hydrolyzed fumonisin B1 (aka aminopentol) is a mycotoxin which occurs naturaly together with fumonisin B1. It may be formed from fumonisin B1 by hydrolysis of the O-acyl bonds.
Hydrolyzed fumonisin B2 occurs in alkaline cooked foods such as masa and tortillas. It inhibits sphingosine acyltransferase more weakly than the intact Fumonisin B2.
Natural antidepressant. Anti-retroviral agent. A protein kinaze-C inhibitor.