1. You can search by name, such as:  ziconotide

2. You can search by Cat No. such as:APD008

3.You can search by Cas No. such as: 686-44-2

4. You can search by three-letter seuqnce, such as： Ala-Ala-Glu

5. You can search by one-letter seuqnce, such as： EEMQRR

6. You can search by Keyword, such as:ziconotide

7. If cyclied peptides, please add cyclo  or c ,such as Cyclo(Arg-His), c(Arg-His)