Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Selected peptides showing a distinct concentration increase over time during three subsequent evolution experiments. The symbol “X” stands for a concentration high enough for an analysis of the amino acid composition. The symbol “0” means that they are below this limit.
| Amino Acid Composition | Exp. 1 | Exp. 2 | Exp. 3 |
|---|---|---|---|
| Thr Thr Pro | X | X | 0 |
| Lys Pro Pro Phe | X | X | X |
| Lys Lys Gly Pro Ala | X | 0 | X |
| Lys Ser Pro Ala Phe | X | 0 | 0 |
| Lys Pro Gly Gly Gly Phe | 0 | X | 0 |
| Lys Ser Pro Pro Ala Ala Phe Phe | 0 | 0 | X |
