endothelin 1 , endothelin 3 and sarafotoxin all inhibited [ 125i ] -endothelin binding with ic50 's in the 100-300 pm range , whereas unrelated peptides , namely angiotensin ii , atrial natriuretic peptide , and platelet-derived growth factor failed to compete for [ 125i ] -endothelin binding .
C0079281
endothelin 1
C0079284
endothelin