1 BLM Bleomycin a2 1.000 2 BLB Bleomycin b2 0.921 3 52G Zorbamycin 0.911 4 BY6 [(2s,3r,4r,5s,6s)-2-[(3r,4r,5r,6r)-2-[(1r,2s)-2-[[6-amino-2-[(1s)-3-amino-1-[(2,3-diamino-3-oxopropyl)amino]-3-oxopropyl]-5-methylpyrimidine-4-carbonyl]amino]-3-[[(2s,3r,4r)-5-[[(2r,3s)-1-[2-[4-[4-[3-[4-(3-aminopropylamino)butylamino]propylcarbamoyl]-1,3-thiazol-2-yl]-1,3-thiazol-2-yl]ethylamino]-3-hydroxy-1-oxobutan-2-yl]amino]-3-hydroxy-4-methyl-5-oxopentan-2-yl]amino]-1-(3h-imidazol-4-yl)-3-oxopropoxy]-4,5-dihydroxy-6-(hydroxymethyl)oxan-3-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl] carbamate 0.877