1 C6L N-hexanoyl-L-homoserine 1.000 2 CYK N-hexanoyl-L-homocysteine 0.875 3 C4L N-butanoyl-L-homoserine 0.867 4 1K4 N-decanoyl-L-homoserine 0.789 5 4N3 N-octanoyl-D-valine 0.778 6 74P (E)-N~6~-(1-carboxy-3-oxobutylidene)-L-lysine 0.737 7 KKA (2s)-2-azanyl-6-oxidanylidene-6-[[(2s)-1-oxidanyl-1-oxidanylidene-4-sulfanyl-butan-2-yl]amino]hexanoic acid 0.737 8 2IQ 2-(hexylamino)ethanoic acid 0.733 9 FF9 (2s)-2-azanyl-6-[(E)-(1-oxidanyl-1-oxidanylidene-butan-2-ylidene)amino]hexanoic acid 0.722 10 5XW (2~{z})-2-(1-oxidanyl-3-oxidanylidene-propyl)iminobutanedioic acid 0.706