{NH2}, Amidation

{-CHO}, peptide aldehydes

{-ol}, alcohol peptide,

{Cya}, Cysteamide-

{pNA},p-nitroaniline

{-pNP}, para-nitrophenol

{AMC},7-Amino-4-methylcoumarin

{AFC}

-OMe (C-terminal)

-OEt (C-terminal)

-OBzl (C-terminal)

-OtBu (C-terminal)

{-OSu}, hydroxysucinimide ester

-NHMe (C-terminal)

-NHEt (C-terminal)

-NHisopen (C-terminal)

-NH(CH2)6 (C-terminal)

-NHPh (C-terminal)

2,2'-Oxydi Ethanamine-Fmoc

{NHEt(EtNH-Myr)2}

-NH(OMe)Me (C-terminal)

-TBzl (C-terminal)

-NHNH2 (C-terminal)

-ED (C-terminal), -NH-CH2CH2-NH2

-BD (C-terminal), -NH-CH2CH2CH2CH2-NH2