1-L-Aspasaginyl-5-L-valyl angiotensin octapeptide

asp-arg-val-tyr-xaa-his-pro-phe-oh ; (3s)-3-amino-4-[[(2s)-5-(diaminomethylideneamino)-1-[[(2s)-1-[[(2s)-1-[[(2s,3s)-1-[[(2s)-1-[(2s)-2-[[(2s)-1-hydroxy-1-oxo-3-phenylpropan-2-yl]carbamoyl]pyrrolidin-1-yl]-3-(3h-imidazol-4-yl)-1-oxopropan-2-yl]amino]-3-methyl-1-oxopentan-2-yl]amino]-3-(4-hydroxyphenyl)-1-oxopropan-2-yl]amino]-3-methyl-1-oxobutan-2-yl]amino]-1-oxopentan-2-yl]amino]-4-oxobutanoic acid ; 3-amino-3-[[1-[[1-[[1-[[1-[[1-[2-[(1-carboxy-2-phenyl-ethyl)carbamoyl] pyrrolidin-1-yl]-3-(3h-imidazol-4-yl)-1-oxo-propan-2-yl]carbamoyl]-2-m ethyl-butyl]carbamoyl]-2-(4-hydroxyphenyl)ethyl]carbamoyl]-2-methyl-pr opyl]carbamoyl]-4-(diaminomethylideneamino)butyl]carbamoyl]propanoic a cid