Nk. Gulavita et al., APLYSILLIN-A, A THROMBIN RECEPTOR ANTAGONIST FROM THE MARINE SPONGE APLYSINA-FISTULARIS-FULVA, Journal of natural products, 58(6), 1995, pp. 954-957
Aplysillin A [1], an unusual disulfate ester of a 1,4-diphenyl-1,3-but
adiene, was isolated from a deep water specimen of a sponge of the gen
us Aplysina. Its structure was determined through spectroscopic method
s. The compound weakly inhibited binding to the thrombin receptor with
an IC50 value of 20 mu M.