1 4M9 (4z)-4-imino-4-[(4z)-4-(1h-indol-3-ylmethylidene)-5-oxo-1-(2-oxoethyl)-4,5-dihydro-1h-imidazol-2-yl]butanamide 1.000 2 B2H Chromophore (thr, trp, gly) 0.821 3 CRF [(4z)-2-[(1r,2r)-1-amino-2-hydroxypropyl]-4-(1h-indol-3-ylmethylidene)-5-oxo-4,5-dihydro-1h-imidazol-1-yl]acetic acid 0.821 4 TUK 2-[2-[(1~{S})-1-azanyl-3-methylsulfanyl-propyl]-4-(1~{H}-indol-3-ylmethyl)-5-oxidanylidene-2~{H}-imidazol-1-yl]ethanal 0.821 5 4F3 [2-(1-amino-2-hydroxy-propyl)-4-(4-fluoro-1h-indol-3-ylmethyl)-5-hydroxy-imidazol-1-yl]-acetic acid 0.793 6 5ZA (5z)-2-[(1s,2r)-1-amino-2-hydroxypropyl]-5-[(4-amino-1h-indol-3-yl)methylene]-3-(2-hydroxyethyl)-3,5-dihydro-4h-imidazol-4-one 0.793 7 QFG {(4e)-2-[(1e)-4-amino-4-oxobutanimidoyl]-4-benzylidene-5-oxo-4,5-dihydro-1h-imidazol-1-yl}acetic acid 0.786 8 SWG 2-[(4z)-2-[(1r)-1-amino-2-hydroxy-ethyl]-4-(1h-indol-3-ylmethylidene)-5-oxo-imidazol-1-yl]ethanoic acid 0.786 9 IO8 2-[2-(aminomethyl)-4-(1h-indol-3-ylmethyl)-5-oxidanylidene-4h-imidazol-1-yl]ethanoic acid 0.778 10 CRQ [2-(3-carbamoyl-1-imino-propyl)-4-(4-hydroxy-benzylidene)-5-oxo-4,5-dihydro-imidazol-1-yl]-acetic acid 0.759 11 QYG {(4e)-2-[(1s)-1,4-diamino-4-oxobutyl]-4-[(4-hydroxyphenyl)methylidene]-5-oxo-4,5-dihydro-1h-imidazol-1-yl}acetic acid 0.759 12 BJO (4z)-4-amino-4-{1-(carboxymethyl)-5-oxo-4-[(4-oxocyclohexa-2,5-dien-1-ylidene)methyl]-1,5-dihydro-2h-imidazol-2-ylidene}butanoic acid 0.700 13 CRU 4-[(4z)-1-(carboxymethyl)-4-(4-hydroxybenzylidene)-5-oxo-4,5-dihydro-1h-imidazol-2-yl]-4-iminobutanoic acid 0.700