1 UBX N-[(S)-({[(benzyloxy)carbonyl]amino}methyl)(hydroxy)phosphoryl]-N-methyl-L-leucinamide 1.000 2 8L5 N-(aminomethyl)-N~2~-[(R)-({[(benzyloxy)carbonyl]amino}methyl)(hydroxy)phosphoryl]-L-leucinamide 0.962 3 UBU N-[(R)-({[(benzyloxy)carbonyl]amino}methyl)(hydroxy)phosphoryl]-N-ethyl-L-leucinamide 0.962 4 2G8 P-((((benzyloxy)carbonyl)amino)methyl)-N-((S)-4-methyl-1-oxo-1-(propylamino)pentan-2-yl)phosphonamidic acid 0.926 5 8JQ ~{N}-[(2~{S})-1-(2-azanylethylamino)-4-methyl-1-oxidanylidene-pentan-2-yl]-(phenylmethoxycarbonylaminomethyl)phosphonamidic acid 0.926 6 2G7 P-((((benzyloxy)carbonyl)amino)methyl)-N-((S)-1-(isobutylamino)-4-methyl-1-oxopentan-2-yl)phosphonamidic acid 0.893 7 8KK ~{N}-[(2~{S})-1-(3-azanylpropylamino)-4-methyl-1-oxidanylidene-pentan-2-yl]-(phenylmethoxycarbonylaminomethyl)phosphonamidic acid 0.893 8 UBT N-[(R)-({[(benzyloxy)carbonyl]amino}methyl)(hydroxy)phosphoryl]-L-leucylglycine 0.893 9 2G9 P-((((benzyloxy)carbonyl)amino)methyl)-N-((S)-4-methyl-1-(((S)-2-methylbutyl)amino)-1-oxopentan- 2-yl)phosphonamidic acid 0.862 10 2GZ P-((((benzyloxy)carbonyl)amino)methyl)-N-((S)-4-methyl-1-(neopentylamino)-1-oxopentan-2-yl)phosphonamidic acid 0.862 11 2H0 P-((((benzyloxy)carbonyl)amino)methyl)-N-((S)-1-(isopentylamino)-4-methyl-1-oxopentan-2-yl)phosphonamidic acid 0.862 12 6NN P-((((benzyloxy)carbonyl)amino)methyl)-N-((S)-4-methyl-1-(((R)-2-methylbutyl)amino)-1-oxopentan- 2-yl)phosphonamidic acid 0.862 13 8JH ~{N}-[(2~{S})-1-(4-azanylbutylamino)-4-methyl-1-oxidanylidene-pentan-2-yl]-(phenylmethoxycarbonylaminomethyl)phosphonamidic acid 0.862 14 UBY N-[(S)-({[(benzyloxy)carbonyl]amino}methyl)(hydroxy)phosphoryl]-L-leucyl-L-alanine 0.862 15 2G6 P-((((benzyloxy)carbonyl)amino)methyl)-N-((S)-1-((3,3-dimethylbutyl)amino)-4-methyl-1-oxopentan-2-yl)phosphonamidic acid 0.833 16 6QC ~{N}-[(2~{S})-1-[[(2~{R})-2,3-dimethylbutyl]amino]-4-methyl-1-oxidanylidene-pentan-2-yl]-(phenylmethoxycarbonylaminomethyl)phosphonamidic acid 0.833 17 7AF ~{N}-[(2~{S})-1-[[(2~{S})-2,3-dimethylbutyl]amino]-4-methyl-1-oxidanylidene-pentan-2-yl]-(phenylmethoxycarbonylaminomethyl)phosphonamidic acid 0.833 18 8L2 (2~{S})-3-azanyl-2-[[(2~{S})-4-methyl-2-[[oxidanyl(phenylmethoxycarbonylaminomethyl)phosphoryl]amino]pentanoyl]amino]propanoic acid 0.833 19 UBZ (2s)-2-({N-[(R)-({[(benzyloxy)carbonyl]amino}methyl)(hydroxy)phosphoryl]-L-leucyl}amino)butanoic acid 0.833 20 6MG N~2~-[(R)-({[(benzyloxy)carbonyl]amino}methyl)(hydroxy)phosphoryl]-N-[(2s)-2,3,3-trimethylbutyl]-L-leucinamide 0.806 21 6NG N~2~-[(R)-({[(benzyloxy)carbonyl]amino}methyl)(hydroxy)phosphoryl]-N-[(2r)-2,3,3-trimethylbutyl]-L-leucinamide 0.806 22 JC2 (2~{S})-4-azanyl-2-[[(2~{S})-4-methyl-2-[[oxidanyl(phenylmethoxycarbonylaminomethyl)phosphoryl]amino]pentanoyl]amino]butanoic acid 0.806 23 UBS N-[(S)-({[(benzyloxy)carbonyl]amino}methyl)(hydroxy)phosphoryl]-L-leucyl-L-valine 0.806 24 UBW N-[(R)-({[(benzyloxy)carbonyl]amino}methyl)(hydroxy)phosphoryl]-L-leucyl-L-norvaline 0.806 25 0PJ N-[(S)-({[(benzyloxy)carbonyl]amino}methyl)(hydroxy)phosphoryl]-L-leucyl-L-leucine 0.781 26 2GC P-((((benzyloxy)carbonyl)amino)methyl)-N-((S)-4-methyl-1-oxo-1-(phenethylamino)pentan-2-yl)phosphonamidic acid 0.781 27 5H8 N-[(S)-({[(benzyloxy)carbonyl]amino}methyl)(hydroxy)phosphoryl]-L-leucyl-3-methyl-L-valine 0.781 28 79E Jc96 0.781 29 8KN (2~{S})-5-azanyl-2-[[(2~{S})-4-methyl-2-[[oxidanyl(phenylmethoxycarbonylaminomethyl)phosphoryl]amino]pentanoyl]amino]pentanoic acid 0.781 30 UBV N-[(S)-({[(benzyloxy)carbonyl]amino}methyl)(hydroxy)phosphoryl]-L-leucyl-L-isoleucine 0.781 31 5H9 N-[(S)-({[(benzyloxy)carbonyl]amino}methyl)(hydroxy)phosphoryl]-L-leucyl-4-methyl-L-leucine 0.758 32 8LB (2~{S})-6-azanyl-2-[[(2~{S})-4-methyl-2-[[oxidanyl(phenylmethoxycarbonylaminomethyl)phosphoryl]amino]pentanoyl]amino]hexanoic acid 0.758 33 6XO (2~{S})-3-cyclohexyl-2-[[(2~{S})-4-methyl-2-[[oxidanyl(phenylmethoxycarbonylaminomethyl)phosphoryl]amino]pentanoyl]amino]propanoic acid 0.714 34 X32 N-[(R)-({[(benzyloxy)carbonyl]amino}methyl)(hydroxy)phosphoryl]-L-leucyl-L-phenylalanine 0.714