1 VB1 N^6^-[(1r)-2-{[(1s)-1-carboxypropyl]amino}-2-oxo-1-(sulfanylmethyl)ethyl]-6-oxo-L-lysine 1.000 2 ASV Delta-(L-alpha-aminoadipoyl)-L-cysteinyl-D-vinylglycine 1.000 3 ACV L-D-(a-aminoadipoyl)-L-cysteinyl-D-valine 0.958 4 CDH D-(L-a-aminoadipoyl)-L-cysteinyl-D-isodehydrovaline 0.958 5 W05 Delta-(L-alpha-aminoadipoyl)-L-cysteinyl-D-alanine 0.957 6 M2W Delta-(L-alpha-aminoadipoyl)-L-cysteinyl-O-methyl-D-threonine 0.920 7 M8F N-[(5s)-5-amino-5-carboxypentanoyl]-L-cysteinyl-D-methionine 0.920 8 M9F (2s)-2-amino-6-[[(2r)-1-[[(2s)-1-hydroxy-3-methylsulfanyl-1-oxo-butan-2-yl]amino]-1-oxo-3-sulfanyl-propan-2-yl]amino]-6-oxo-hexanoic acid 0.920 9 HCG Delta-(L-alpha-aminoadipoyl)-L-cysteinyl-glycine 0.913 10 ACC N-[N-[2-amino-6-oxo-hexanoic acid-6-yl]cysteinyl]-S-methylcysteine 0.880 11 HCV N-[(5s)-5-amino-5-carboxypentanoyl]-L-homocysteyl-D-valine 0.846 12 BCV D-(L-a-aminoadipoyl)-L-cysteinyl-D-cyclopropylglycine 0.808 13 ACW D-(L-a-aminoadipoyl)-L-cysteinyl-B-methyl-D-cyclopropylglycine 0.778 14 WT4 N-[(5s)-5-amino-5-carboxypentanoyl]-L-homocysteyl-S-methyl-D-cysteine 0.778 15 HFV Delta-(L-alpha-aminoadipoyl)-L-cysteinyl-L-3,3,3,3',3',3'-hexafluorovaline 0.767