. 2000 Oct 17;97(22):12008–12013. doi: 10.1073/pnas.220403997

Table 1.

Composition of library 1; known inhibitor mixture for pepsin

Compound	Binding status^*	Elemental composition	MW
1. Diisopropyl l-tartrate	P	C₁₀H₁₈O₆	234.1104
2. Tetraalanine	N	C₁₂H₂₂N₄O₅	302.1590
3. Bestatin	P	C₁₆H₂₄N₂O₄	308.1737
4. Lithocholic acid	P	C₂₄H₄₀O₃	376.2978
5. Lithocholic acid methyl ester	P	C₂₅H₄₂O₃	390.3134
6. Chenodeoxycholic acid	I	C₂₄H₄₀O₄	392.2927
7. Cholic acid	P	C₂₄H₄₀O₅	408.2876
8. Leupeptin	P	C₂₀H₃₈N₆O₄	426.2955
9. Arg-Gly-Asp-Ser	N	C₁₅H₂₇N₇O₈	433.1999
10. Glycochenodeoxycholic acid	P	C₂₆H₄₂NO₅	449.3142
11. N-Acetyl-3,5-diiodo-l-Tyr	I	C₁₁H₁₁NO₄I₂	474.8778
12. Antipain	P	C₂₇H₄₄N₁₀O₆	604.3446
13. N-Acetyl-l-Phe-3,5-diiodo-Tyr	I	C₂₀H₂₀N₂O₅I₂	621.9461
14. p-Aminophenylacetyl-tuftsin	N	C₂₉H₄₇N₉O₇	633.3599
15. Pepsinostreptin	I	C₃₃H₆₁N₅O₉	671.4470
16. Thymopentin	N	C₃₀H₄₉N₉O₉	679.3654
17. Pepstatin A	I	C₄₃H₆₃N₅O₉	685.4626
18. Splenopentin	N	C₃₁H₅₁N₉O₉	693.3811
19. Momamy peptide	N	C₄₃H₄₆N₈O₆	770.3841

I, known inhibitor; P, potential inhibitor; N, non-inhibitor.