3.4.23.20	0.0008	-	methyl (2S)-2-({[(4S,7R)-2,5-dioxo-4-(propan-2-yl)-2,3,4,5,6,7-hexahydro-1H-8,10-etheno-3,6-benzodiazacycloundecin-7-yl](hydroxy)phosphoryl}oxy)-3-phenylpropanoate	-	649272	
3.4.23.20	0.0076	-	methyl (2S)-2-({[(R)-[(N-formyl-L-valyl)amino](naphthalen-2-yl)methyl](hydroxy)phosphoryl}oxy)-3-phenylpropanoate	-	649272	
3.4.23.20	0.11	-	methyl (2S)-2-({hydroxy[({N-[(naphthalen-1-yl)acetyl]-L-valyl}amino)methyl]phosphoryl}oxy)-3-phenylpropanoate	-	649272	
3.4.23.20	0.0000001	-	methyl cyclo[(2S)-2-[[(1R)-1-(N-(l-N-(3-methylbutanoyl)valyl-L-aspartyl)amino)-3-methylbutyl]ydroxyphosphinyloxy]-3-(3-aminomethyl)] phenylpropanoate	pH 4.6, macrocyclic pentapeptide inhibitor	649841	
3.4.23.20	0.00000001	-	pepstatin	pH 5.0, 37°C, wild-type Pencillopepsin JT-2	653829	
3.4.23.20	0.0000004	-	pepstatin	pH 5.0, 37°C, mutant T219S	653829	
3.4.23.20	0.00055	-	pepstatin	pH 5.0, 37°C, mutant T219A	653829	
3.4.23.20	0.0016	-	pepstatin	pH 5.0, 37°C, mutant T219V	653829	
3.4.23.20	0.0018	-	pepstatin	pH 5.0, 37°C, mutant T219G	653829